CVE-2026-18933

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-05. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: None knownExposed: 0

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

The wp-downloadmanager WordPress plugin, in version 1.68.11 (also affecting the 6.9.4 release line), allows an admin-privileged user (current_user_can('manage_downloads')) to upload arbitrary files via download-add.php with no extension or MIME-type validation of any kind - no wp_check_filetype_and_ext, no validate_file, and no extension blocklist exist anywhere in the upload handler.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

WP-DownloadManager – WordPress plugin | WordPress.org

https://wordpress.org/plugins/wp-downloadmanager/#description

Vendor Advisories for CVE-2026-18933(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 93× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 169 total refreshes for this CVE.

  1. 2026-09-20 11:10 UTCGHSA enrichment
  2. 2026-09-19 23:17 UTCEG score recompute
  3. 2026-09-19 23:17 UTCGHSA enrichment
  4. 2026-09-19 07:49 UTCEG score recompute
  5. 2026-09-19 07:49 UTCGHSA enrichment
  6. 2026-09-18 19:27 UTCEPSS rescore
  7. 2026-09-18 17:43 UTCGHSA enrichment
  8. 2026-09-18 03:50 UTCEG score recompute
  9. 2026-09-18 03:50 UTCGHSA enrichment
  10. 2026-09-17 15:57 UTCGHSA enrichment
  11. 2026-09-17 01:07 UTCEG score recompute
  12. 2026-09-17 01:07 UTCGHSA enrichment
  13. 2026-09-16 14:07 UTCEPSS rescore
  14. 2026-09-16 05:14 UTCEPSS rescore
  15. 2026-09-16 05:14 UTCGHSA enrichment
  16. 2026-09-15 16:24 UTCEG score recompute
  17. 2026-09-15 16:24 UTCGHSA enrichment
  18. 2026-09-15 01:30 UTCGHSA enrichment
  19. 2026-09-14 06:22 UTCGHSA enrichment
  20. 2026-09-13 18:29 UTCEG score recompute
  21. 2026-09-13 18:29 UTCGHSA enrichment
  22. 2026-09-13 16:46 UTCEPSS rescore
  23. 2026-09-13 06:36 UTCGHSA enrichment
  24. 2026-09-12 18:43 UTCEG score recompute
  25. 2026-09-12 18:43 UTCGHSA enrichment
Show 75 more
  1. 2026-09-12 15:00 UTCEPSS rescore
  2. 2026-09-12 06:50 UTCGHSA enrichment
  3. 2026-09-11 18:52 UTCEG score recompute
  4. 2026-09-11 18:51 UTCGHSA enrichment
  5. 2026-09-11 14:52 UTCEPSS rescore
  6. 2026-09-11 06:56 UTCGHSA enrichment
  7. 2026-09-10 19:03 UTCEG score recompute
  8. 2026-09-10 19:02 UTCGHSA enrichment
  9. 2026-09-10 09:34 UTCEPSS rescore
  10. 2026-09-10 07:09 UTCGHSA enrichment
  11. 2026-09-09 19:16 UTCGHSA enrichment
  12. 2026-09-09 06:25 UTCEG score recompute
  13. 2026-09-09 06:25 UTCGHSA enrichment
  14. 2026-09-08 22:00 UTCEPSS rescore
  15. 2026-09-08 08:00 UTCGHSA enrichment
  16. 2026-09-07 18:19 UTCEG score recompute
  17. 2026-09-07 18:19 UTCGHSA enrichment
  18. 2026-09-07 16:01 UTCEPSS rescore
  19. 2026-09-06 18:18 UTCEG score recompute
  20. 2026-09-06 18:18 UTCGHSA enrichment
  21. 2026-09-06 13:47 UTCEPSS rescore
  22. 2026-09-06 06:24 UTCGHSA enrichment
  23. 2026-09-05 18:27 UTCEG score recompute
  24. 2026-09-05 18:27 UTCGHSA enrichment
  25. 2026-09-05 03:50 UTCEG score recompute
  26. 2026-09-05 03:50 UTCGHSA enrichment
  27. 2026-09-04 09:36 UTCEG score recompute
  28. 2026-09-04 09:36 UTCGHSA enrichment
  29. 2026-09-04 05:06 UTCEPSS rescore
  30. 2026-09-03 19:17 UTCGHSA enrichment
  31. 2026-09-03 07:01 UTCEG score recompute
  32. 2026-09-03 07:01 UTCGHSA enrichment
  33. 2026-09-02 14:11 UTCEPSS rescore
  34. 2026-09-02 08:38 UTCGHSA enrichment
  35. 2026-09-01 20:39 UTCEG score recompute
  36. 2026-09-01 20:39 UTCGHSA enrichment
  37. 2026-09-01 13:53 UTCEPSS rescore
  38. 2026-09-01 04:39 UTCEPSS rescore
  39. 2026-08-31 22:51 UTCGHSA enrichment
  40. 2026-08-30 21:49 UTCEG score recompute
  41. 2026-08-30 21:49 UTCGHSA enrichment
  42. 2026-08-30 19:17 UTCEPSS rescore
  43. 2026-08-30 09:56 UTCEG score recompute
  44. 2026-08-30 09:56 UTCGHSA enrichment
  45. 2026-08-30 01:22 UTCEPSS rescore
  46. 2026-08-29 21:28 UTCEG score recompute
  47. 2026-08-29 21:27 UTCGHSA enrichment
  48. 2026-08-28 21:41 UTCEPSS rescore
  49. 2026-08-27 19:55 UTCEG score recompute
  50. 2026-08-27 19:55 UTCGHSA enrichment
  51. 2026-08-27 14:25 UTCEPSS rescore
  52. 2026-08-27 08:02 UTCGHSA enrichment
  53. 2026-08-26 18:01 UTCEG score recompute
  54. 2026-08-26 18:01 UTCGHSA enrichment
  55. 2026-08-26 14:46 UTCEPSS rescore
  56. 2026-08-26 10:14 UTCGHSA enrichment
  57. 2026-08-25 21:53 UTCEG score recompute
  58. 2026-08-25 21:52 UTCGHSA enrichment
  59. 2026-08-25 13:48 UTCEPSS rescore
  60. 2026-08-25 09:32 UTCGHSA enrichment
  61. 2026-08-24 21:39 UTCEG score recompute
  62. 2026-08-24 21:39 UTCGHSA enrichment
  63. 2026-08-24 09:22 UTCGHSA enrichment
  64. 2026-08-23 21:29 UTCGHSA enrichment
  65. 2026-08-23 09:36 UTCEG score recompute
  66. 2026-08-23 09:36 UTCGHSA enrichment
  67. 2026-08-23 00:19 UTCEPSS rescore
  68. 2026-08-22 21:42 UTCGHSA enrichment
  69. 2026-08-22 09:49 UTCEG score recompute
  70. 2026-08-22 09:49 UTCGHSA enrichment
  71. 2026-08-21 23:49 UTCEPSS rescore
  72. 2026-08-21 21:56 UTCGHSA enrichment
  73. 2026-08-21 10:03 UTCEG score recompute
  74. 2026-08-21 10:03 UTCGHSA enrichment
  75. 2026-08-20 22:55 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18933?
CVE-2026-18933 is a high vulnerability published on August 5, 2026. The wp-downloadmanager WordPress plugin, in version 1.68.11 (also affecting the 6.9.4 release line), allows an admin-privileged user (currentusercan('managedownloads')) to upload arbitrary files via download-add.php with no extension or MIME-type validation of any kind - no wpcheckfiletypeandext,…
When was CVE-2026-18933 disclosed?
CVE-2026-18933 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18933 actively exploited?
CVE-2026-18933 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 79.6% of all scored CVEs.
What is the CVSS score of CVE-2026-18933?
CVE-2026-18933 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-18933?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18933, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-18933

Explore →

Is Your Infrastructure Affected by CVE-2026-18933?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs