CVE-2026-109198 CleanTalk Anti-Spam - Stored XSS

CleanTalk Anti-Spam WordPress plugin <= 6.89.1 contains a stored cross-site scripting caused by insufficient sanitization of 'user_email' parameter, letting unauthenticated attackers inject scripts executed by administrators during user-spam scans, exploit requires open user registration.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.35% chance of exploitation in 30 days
View the NVD record ↗