What is CVE-2026-43878?

CVE-2026-43878 is a medium-severity vulnerability in Wwbn Avideo, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-11.

How severe is CVE-2026-43878?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Wwbn Avideo

CVE-2026-43878

WWBN AVideo is an open source video platform. In versions up to and including 29.0, plugin/Meet/iframe.php echoes the attacker-controlled user and pass query parameters unescaped into a JavaScript double-quoted string literal inside a <scr…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (2.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

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-2026-43878?: CVE-2026-43878 is a medium-severity vulnerability in Wwbn Avideo, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-11.
How severe is CVE-2026-43878?: Medium severity. CVSS v3 base score is 6.1 out of 10.