CVE-2026-28560: wpForo Forum 2.4.14 Stored XSS via Unsafe JSON Encoding in Inline Script
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 jsonencode without the JSONHEXTAG 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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-28560?
CVE-2026-28560 is classified as a medium severity vulnerability due to its potential for stored cross-site scripting attacks.
How do I fix CVE-2026-28560?
To mitigate CVE-2026-28560, update wpForo Forum to the latest version that addresses this vulnerability.
What type of vulnerability is CVE-2026-28560?
CVE-2026-28560 is a stored cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts.
Which software is affected by CVE-2026-28560?
CVE-2026-28560 affects wpForo Forum version 2.4.14.
What impact does CVE-2026-28560 have on users?
CVE-2026-28560 can lead to unauthorized script execution in users' browsers, potentially stealing sensitive information.