Medium severity · published Sep 1, 2026
CVE-2026-84477
AVideo Stored XSS via Live Schedule Title Description
5.4
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
AVideo · WWBN
through 29.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-84477
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-84477
github.com
https://github.com/WWBN/AVideo/security/advisories/GHSA-625v-vrhq-g274
www.vulncheck.com
https://www.vulncheck.com/advisories/avideo-stored-xss-via-live-schedule-title-description
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