What is CVE-2026-33500?

CVE-2026-33500 is a medium-severity vulnerability in Wwbn Avideo, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-03-23.

How severe is CVE-2026-33500?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Wwbn Avideo

CVE-2026-33500

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the fix for CVE-2026-27568 (GHSA-rcqw-6466-3mv7) introduced a custom `ParsedownSafeWithLinks` class that sanitizes raw HTML `<a>` and `<img>` tags in comme…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Wwbn Avideo — versions <= 26.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-72h5-39r7-r26j (x_refsource_CONFIRM)
https://github.com/WWBN/AVideo/commit/3ae02fa240939dbefc5949d64f05790fd25d728d (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33500?: CVE-2026-33500 is a medium-severity vulnerability in Wwbn Avideo, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-03-23.
How severe is CVE-2026-33500?: Medium severity. CVSS v3 base score is 5.4 out of 10.