High severity · published Sep 11, 2026
CVE-2026-89255
AVideo LoginControl Stored XSS via PGP Public Key
8.7
CVSS
0.4%
EPSS
No
On KEV
Description
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the LoginControl plugin that fails to HTML-encode PGP public keys echoed into a textarea element. An authenticated attacker can inject malicious JavaScript by submitting a crafted public key, which executes in an administrator's session when viewing the user's profile tab.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
AVideo · WWBN
through c3edcc274c389816d434acadac07ee78eaf330c1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-89255
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-89255
github.com
https://github.com/WWBN/AVideo/security/advisories/GHSA-gq4h-vw2w-9rx3
www.vulncheck.com
https://www.vulncheck.com/advisories/avideo-logincontrol-stored-xss-via-pgp-public-key
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