Vulnerability · Published Sep 1, 2026 · Assigned by VulnCheck

CVE-2026-84477AVideo Stored XSS via Live Schedule Title Description

Medium 5.4

In plain English

A medium-severity cross-site scripting in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.3%top 78.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

AVideo Live_schedule::setTitle() and setDescription() store POST input without sanitization, allowing users with streaming permission to inject malicious scripts. Unauthenticated attackers can access remindMe.php to execute stored XSS payloads in victim browsers without requiring authentication.

Affected products (as reported)

Vendor	Product	Versions
WWBN	AVideo	0 – through 29.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

GitHub Security Advisory (GHSA-625v-vrhq-g274) vendor-advisory
VulnCheck Advisory: AVideo Stored XSS via Live Schedule Title Description third-party-advisory