CVE-2026-78337

MEDIUMPre-NVD 4.84.8—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 78% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
4.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.8Exploit: None knownExposed: 0

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

Unrestricted Upload of File with Dangerous Type in the company logo upload in Roskus Prospero Flow CRM before 5.15.13 allows an authenticated user holding the create company and update company permissions to execute arbitrary JavaScript in the application origin via an SVG document containing an embedded script element.

CVSS v3
4.8
EG Score
4.8(medium)
EG Risk
26(Track)
EG Risk 26/100SSVC: 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
Severity48% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

August 24, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Aug 24, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

CVE-2026-78337 · Unrestricted upload of file with dangerous type in Prospero Flow CRM allows stored cross-site scripting via SVG | Vulnerabilities published by Secur0

https://secur0.com/en/cna/cve-list/cve-2026-78337-unrestricted-upload-company-logo-svg-xss
github_commit

commit aaa4fc76bf03 (Roskus/prospero-flow-crm)

Fix landed in Roskus/prospero-flow-crm commit aaa4fc76bf03 — awaiting tagged release

https://github.com/Roskus/prospero-flow-crm/commit/aaa4fc76bf039d5011884b86b8f29ddd50d17b17

Vendor Advisories for CVE-2026-78337(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 19× in last 7d / 76× 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.

  1. 2026-09-21 07:41 UTCEG score recompute
  2. 2026-09-21 07:41 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 05:22 UTCEG score recompute
  5. 2026-09-20 05:22 UTCGHSA enrichment
  6. 2026-09-19 03:30 UTCEG score recompute
  7. 2026-09-19 03:29 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-18 01:38 UTCEG score recompute
  10. 2026-09-18 01:38 UTCGHSA enrichment
  11. 2026-09-16 23:46 UTCEG score recompute
  12. 2026-09-16 23:46 UTCGHSA enrichment
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 21:54 UTCEG score recompute
  16. 2026-09-15 21:54 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-14 20:01 UTCGHSA enrichment
  20. 2026-09-13 18:09 UTCEG score recompute
  21. 2026-09-13 18:09 UTCGHSA enrichment
  22. 2026-09-12 16:17 UTCEG score recompute
  23. 2026-09-12 16:17 UTCGHSA enrichment
  24. 2026-09-11 14:53 UTCEPSS rescore
  25. 2026-09-11 14:53 UTCEPSS rescore
Show 51 more
  1. 2026-09-11 14:25 UTCEG score recompute
  2. 2026-09-11 14:25 UTCGHSA enrichment
  3. 2026-09-10 12:31 UTCEG score recompute
  4. 2026-09-10 12:31 UTCGHSA enrichment
  5. 2026-09-10 09:35 UTCEPSS rescore
  6. 2026-09-09 10:34 UTCEG score recompute
  7. 2026-09-09 10:34 UTCGHSA enrichment
  8. 2026-09-08 22:01 UTCEPSS rescore
  9. 2026-09-08 08:27 UTCEG score recompute
  10. 2026-09-08 08:27 UTCGHSA enrichment
  11. 2026-09-07 06:35 UTCEG score recompute
  12. 2026-09-07 06:35 UTCGHSA enrichment
  13. 2026-09-06 13:48 UTCEPSS rescore
  14. 2026-09-06 04:36 UTCEG score recompute
  15. 2026-09-06 04:36 UTCGHSA enrichment
  16. 2026-09-05 02:44 UTCEG score recompute
  17. 2026-09-05 02:44 UTCGHSA enrichment
  18. 2026-09-04 05:07 UTCEPSS rescore
  19. 2026-09-04 00:51 UTCGHSA enrichment
  20. 2026-09-02 22:55 UTCEG score recompute
  21. 2026-09-02 22:55 UTCGHSA enrichment
  22. 2026-09-02 14:12 UTCEPSS rescore
  23. 2026-09-01 21:03 UTCEG score recompute
  24. 2026-09-01 21:03 UTCGHSA enrichment
  25. 2026-09-01 13:54 UTCEPSS rescore
  26. 2026-09-01 06:05 UTCEG score recompute
  27. 2026-09-01 06:04 UTCGHSA enrichment
  28. 2026-09-01 04:40 UTCEPSS rescore
  29. 2026-09-01 04:40 UTCEPSS rescore
  30. 2026-08-31 04:13 UTCEG score recompute
  31. 2026-08-31 04:13 UTCGHSA enrichment
  32. 2026-08-30 19:18 UTCEPSS rescore
  33. 2026-08-30 19:17 UTCEPSS rescore
  34. 2026-08-30 02:20 UTCEG score recompute
  35. 2026-08-30 02:20 UTCGHSA enrichment
  36. 2026-08-30 01:22 UTCEPSS rescore
  37. 2026-08-29 00:28 UTCEG score recompute
  38. 2026-08-29 00:27 UTCGHSA enrichment
  39. 2026-08-28 21:42 UTCEPSS rescore
  40. 2026-08-27 18:14 UTCEG score recompute
  41. 2026-08-27 18:14 UTCGHSA enrichment
  42. 2026-08-27 14:25 UTCEPSS rescore
  43. 2026-08-26 16:13 UTCEG score recompute
  44. 2026-08-26 16:13 UTCGHSA enrichment
  45. 2026-08-26 14:47 UTCEPSS rescore
  46. 2026-08-25 14:14 UTCEG score recompute
  47. 2026-08-25 14:14 UTCGHSA enrichment
  48. 2026-08-25 13:49 UTCEPSS rescore
  49. 2026-08-24 11:23 UTCEG score recompute
  50. 2026-08-24 11:11 UTCEG score recompute
  51. 2026-08-24 11:11 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-78337?
CVE-2026-78337 is a medium vulnerability published on August 24, 2026. Unrestricted Upload of File with Dangerous Type in the company logo upload in Roskus Prospero Flow CRM before 5.15.13 allows an authenticated user holding the create company and update company permissions to execute arbitrary JavaScript in the application origin via an SVG document containing an…
When was CVE-2026-78337 disclosed?
CVE-2026-78337 was first published in the National Vulnerability Database on August 24, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-78337 actively exploited?
CVE-2026-78337 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 78.3% of all scored CVEs.
What is the CVSS score of CVE-2026-78337?
CVE-2026-78337 has a CVSS v3 base score of 4.8 (NVD).
How do I remediate CVE-2026-78337?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78337, 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-2026-78337

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