Unrated severityNVD Advisory· Published Feb 28, 2026· Updated Mar 6, 2026
wpForo Forum 2.4.14 Stored XSS via Unsafe JSON Encoding in Inline Script
CVE-2026-28560
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 products
2- gVectors Team/wpForo Forumv5Range: 2.4
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- wordpress.org/plugins/wpforo/mitrepatch
- www.vulncheck.com/advisories/wpforo-forum-stored-xss-via-unsafe-json-encoding-in-inline-scriptmitrethird-party-advisory
- wordpress.org/plugins/wpforo/mitreproduct
News mentions
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