wpForo Forum, CVE-2026-28560

CVE, Research URL: CVE-2026-28560
Home page URL: Security reports for wpForo Forum
Application: wpForo Forum
Published on: Mar 01, 2026
Research Description: wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows script injection via forum URL data output into an inline script block using json_encode without the JSON_HEX_TAG flag. Attackers set a forum slug containing a closing script tag or unescaped single quote to break out of the JavaScript string context and execute arbitrary script in all visitors' browsers.
Affected versions: max 2.4.14.
Status: vulnerable