CVE-2026-19855
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Sep 09, 2026
Vendor
unknown
Description
The CleanTalk WordPress plugin before 6.87 does not prevent unauthenticated, user-supplied comment content from being passed to WordPress's shortcode engine, allowing any visitor to have arbitrary shortcodes registered on the site executed server-side and rendered to every subsequent visitor of the page.