High (8.3) in textpattern textpattern. EPSS 3.0% chance of exploitation in the next 30 days.
textpattern 4.8.7 is vulnerable to Cross Site Scripting (XSS) via /textpattern/index.php,Body. A remote and unauthenticated attacker can use XSS to trigger remote code execution by uploading a webshell. To do so they must first steal the CSRF token before submitting a file upload request.
Severity
CVSS 3.1
8.3 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
3.0% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)