What is CVE-2026-54458?

CVE-2026-54458 is a critical-severity vulnerability in Wwbn Avideo, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2026-07-15.

How severe is CVE-2026-54458?

Critical severity. CVSS v3 base score is 9.6 out of 10.

XSS in Wwbn Avideo

CVE-2026-54458

WWBN AVideo is an open source video platform. Versions prior to 29.0 contain a stored DOM Cross-Site Scripting vulnerability in the YPTSocket plugin. Any unauthenticated remote attacker can execute arbitrary JavaScript in the authenticated…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L.

Affected products

Wwbn Avideo — versions <= 29.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-54458?: CVE-2026-54458 is a critical-severity vulnerability in Wwbn Avideo, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2026-07-15.
How severe is CVE-2026-54458?: Critical severity. CVSS v3 base score is 9.6 out of 10.