CVE-2026-86188

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.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/WWBN/AVideo/security/advisories/GHSA-xpx7-h2x7-59qq
https://www.vulncheck.com/advisories/avideo-yptsocket-plugin-unauthenticated-cross-site-scripting
https://github.com/WWBN/AVideo/security/advisories/GHSA-xpx7-h2x7-59qq

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-05 13:18

Updated : 2026-09-08 20:05

NVD link : CVE-2026-86188

Mitre link : CVE-2026-86188

CVE.ORG link : CVE-2026-86188

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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