CVE-2026-89249

HIGHPre-NVD 8.78.7—
EchelonGraph scoreHIGH confidence

Score 8.7 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-11. a secondary CVSS source baseline 8.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.7Exploit: None knownExposed: 0

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

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the YPTWallet plugin where user-supplied CryptoWallet values are base64-encoded but not HTML-escaped before storage in wallet_log.information. Administrators viewing pending withdrawal requests in pendingRequests.php execute the stored markup in their session, allowing attackers to perform administrative actions via same-origin fetch requests.

CVSS v3
8.7
EG Score
8.7(high)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity87% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
28%
KEV
Not listed

Published

September 11, 2026

Last Modified

September 11, 2026

Advisory Details (2)

Auto-updated Sep 11, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

AVideo YPTWallet Stored XSS via CryptoWallet Configuration | Advisories | VulnCheck

https://www.vulncheck.com/advisories/avideo-yptwallet-stored-xss-via-cryptowallet-configuration
github Patch Available🟡 PoC Available

Stored XSS: YPTWallet `CryptoWallet` is copied into `wallet_log.information` and the admin pending-requests bootgrid renders it as HTML · Advisory · WWBN/AVideo · GitHub

https://github.com/WWBN/AVideo/security/advisories/GHSA-fvp5-q9jp-29mx

Vendor Advisories for CVE-2026-89249(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 28× in last 7d / 63× 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. 2026-09-25 09:23 UTCGHSA enrichment
  2. 2026-09-24 22:16 UTCEG score recompute
  3. 2026-09-24 22:16 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 11:08 UTCGHSA enrichment
  6. 2026-09-24 00:02 UTCEG score recompute
  7. 2026-09-24 00:02 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 12:54 UTCGHSA enrichment
  10. 2026-09-23 01:47 UTCEG score recompute
  11. 2026-09-23 01:47 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 14:40 UTCGHSA enrichment
  14. 2026-09-22 03:29 UTCEG score recompute
  15. 2026-09-22 03:29 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 16:22 UTCGHSA enrichment
  18. 2026-09-21 05:15 UTCEG score recompute
  19. 2026-09-21 05:15 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 18:07 UTCGHSA enrichment
  22. 2026-09-20 07:00 UTCGHSA enrichment
  23. 2026-09-19 19:34 UTCEG score recompute
  24. 2026-09-19 19:34 UTCGHSA enrichment
  25. 2026-09-19 08:26 UTCGHSA enrichment
Show 38 more
  1. 2026-09-18 21:19 UTCEG score recompute
  2. 2026-09-18 21:19 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 09:08 UTCGHSA enrichment
  5. 2026-09-17 22:01 UTCEG score recompute
  6. 2026-09-17 22:01 UTCGHSA enrichment
  7. 2026-09-17 19:32 UTCEPSS rescore
  8. 2026-09-17 10:54 UTCGHSA enrichment
  9. 2026-09-16 23:47 UTCEG score recompute
  10. 2026-09-16 23:47 UTCGHSA enrichment
  11. 2026-09-16 14:09 UTCEPSS rescore
  12. 2026-09-16 12:39 UTCEG score recompute
  13. 2026-09-16 12:39 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-16 01:32 UTCGHSA enrichment
  16. 2026-09-15 14:25 UTCGHSA enrichment
  17. 2026-09-15 03:18 UTCEG score recompute
  18. 2026-09-15 03:18 UTCGHSA enrichment
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-14 16:11 UTCGHSA enrichment
  21. 2026-09-14 05:04 UTCGHSA enrichment
  22. 2026-09-13 17:57 UTCEG score recompute
  23. 2026-09-13 17:57 UTCGHSA enrichment
  24. 2026-09-13 16:48 UTCEPSS rescore
  25. 2026-09-13 06:49 UTCGHSA enrichment
  26. 2026-09-12 19:37 UTCEG score recompute
  27. 2026-09-12 19:37 UTCGHSA enrichment
  28. 2026-09-12 15:02 UTCEPSS rescore
  29. 2026-09-12 08:29 UTCGHSA enrichment
  30. 2026-09-11 21:22 UTCEG score recompute
  31. 2026-09-11 21:22 UTCGHSA enrichment
  32. 2026-09-11 20:34 UTCEG score recompute
  33. 2026-09-11 20:34 UTCGHSA enrichment
  34. 2026-09-11 15:28 UTCEG score recompute
  35. 2026-09-11 15:28 UTCGHSA enrichment
  36. 2026-09-11 12:23 UTCEG score recompute
  37. 2026-09-11 11:28 UTCEG score recompute
  38. 2026-09-11 11:24 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-89249?
CVE-2026-89249 is a high vulnerability published on September 11, 2026. AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the YPTWallet plugin where user-supplied CryptoWallet values are base64-encoded but not HTML-escaped before storage in wallet_log.information. Administrators viewing pending…
When was CVE-2026-89249 disclosed?
CVE-2026-89249 was first published in the National Vulnerability Database on September 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-89249 actively exploited?
CVE-2026-89249 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 72.3% of all scored CVEs.
What is the CVSS score of CVE-2026-89249?
CVE-2026-89249 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2026-89249?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-89249, 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-2026-89249

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