# CVE-2026-89249

## Summary

- **CVE ID:** CVE-2026-89249
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N)
- **CWE:** CWE-79
- **Published:** Sep 11, 2026
- **Last Modified:** Sep 11, 2026

## Description

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.

## Affected Products

- WWBN — AVideo (0)

## References

- [CNA](https://github.com/WWBN/AVideo/security/advisories/GHSA-fvp5-q9jp-29mx)
- [CNA](https://www.vulncheck.com/advisories/avideo-yptwallet-stored-xss-via-cryptowallet-configuration)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.28%
- **EPSS Percentile:** 20.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._