CVE-2026-19855 — Spam protection, Honeypot, Anti-Spam by CleanTalk < 6.87 - Unauthenticated Arbitrary Shortcode Execution via Comment Text
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 visito…
Published: 2026-09-09 · CVSS: 6.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7