CVE-2026-56347

Summary

AVideo TopMenu plugin through version 26.0 contains a stored cross-site scripting vulnerability in menu item rendering due to missing output encoding of icon classes, URLs, and text labels. Attackers can inject malicious JavaScript through unescaped menu item fields that execute for all site visitors, potentially stealing session cookies or performing unauthorized actions.

Affected Software

Weaknesses

• CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/WWBN/AVideo/security/advisories/GHSA-gmpc-fxg2-vcmq

References

• https://github.com/WWBN/AVideo/security/advisories/GHSA-gmpc-fxg2-vcmq
• https://www.vulncheck.com/advisories/avideo-topmenu-plugin-stored-cross-site-scripting-via-unescaped-menu-item-fields

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