CVE-2026-86188
AVideo YPTSocket Plugin Unauthenticated Cross-Site Scripting
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
AVideo with YPTSocket plugin enabled contains a cross-site scripting vulnerability allowing unauthenticated attackers to execute arbitrary JavaScript in other users' browsers via the websocket callback mechanism. Attackers can send crafted socket messages with callback names resolving to global functions like avideoConfirmHTML that accept untrusted data and assign it to innerHTML, achieving script execution in the victim's origin without authentication or user interaction.
| CWE | CWE-79 |
| Vendor | wwbn |
| Product | avideo |
| Published | Sep 5, 2026 |
| Last Updated | Sep 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
WWBN / AVideo
0 ≤ 29.0
References
Credits
🔍 rajivraj