medium6.5
CVE-2026-19855
The CleanTalk WordPress plugin before 6.87 does not prevent unauthenticated, user-supplied comment content from being passed to WordPress's shortcode engine, a…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| CleanTalk WordPress Plugin | before 6.87 |
Versions were read from the advisory text. No structured product data has been published for this record yet.