CVE-2026-89256
AVideo Bookmark Plugin Stored XSS via Chapter Names
CVSS Score
8.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | wwbn |
| Product | avideo |
| Published | Sep 11, 2026 |
| Last Updated | Sep 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
WWBN / AVideo
0 ≤ c3edcc274c389816d434acadac07ee78eaf330c1
References
Credits
🔍 santhreal