---
title: "CVE-2026-89249: AVideo - Stored XSS"
description: "AVideo contains a stored XSS caused by base64-encoded but unescaped user-supplied CryptoWallet values in YPTWallet plugin, letting attackers execute scripts in admin sessions, exploit requires admin to view pending requests."
url: https://panop.io/threat-heartbeat/CVE-2026-89249/
---

# CVE-2026-89249 AVideo - Stored XSS

AVideo contains a stored XSS caused by base64-encoded but unescaped user-supplied CryptoWallet values in YPTWallet plugin, letting attackers execute scripts in admin sessions, exploit requires admin to view pending requests.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.37% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89249)

## Details

Type

Stored XSS

Impact

Stored XSS

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Published

11 September 2026

Updated

15 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Update YPTWallet plugin to sanitize and HTML-escape CryptoWallet values before storage.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89249](https://nvd.nist.gov/vuln/detail/CVE-2026-89249)
- [https://github.com/WWBN/AVideo/security/advisories/GHSA-fvp5-q9jp-29mx](https://github.com/WWBN/AVideo/security/advisories/GHSA-fvp5-q9jp-29mx)
- [https://www.vulncheck.com/advisories/avideo-yptwallet-stored-xss-via-cryptowallet-configuration](https://www.vulncheck.com/advisories/avideo-yptwallet-stored-xss-via-cryptowallet-configuration)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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