SEPTEMBER 14, 2026
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Case File

CVE-2026-89256

HIGH · CVSS 8.7 EPSS 0.32% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-11 · Last synced 2026-09-14

CyberRota Analysis

AI-Generated

AVideo's Bookmark plugin is vulnerable to a stored cross-site scripting (XSS) attack due to improper encoding of chapter names, allowing video owners to inject malicious scripts through the bookmark name parameter. This vulnerability can lead to the execution of harmful payloads by any visitor viewing the affected video, potentially compromising user data and session integrity. Organizations using AVideo should prioritize patching this vulnerability to protect their users from XSS attacks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-89256
Severity
HIGH
CVSS
8.7
EPSS
0.32%

Original NVD Description

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the Bookmark plugin where chapter names are not encoded before being concatenated into public watch-page HTML. A video owner can inject malicious scripts via the bookmark name parameter, and every visitor of that video executes the payload in the AVideo origin.