wpForo Forum 2.4.14 Allows Hackers to Inject Malicious Code in Forum URLs

Summary

An attacker can inject malicious code into the wpForo Forum website by entering a specially crafted URL, allowing them to take control of user browsers. This could lead to data theft or other malicious activities. Update to the latest version of wpForo Forum to fix this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions	Fix available
gvectors	wpforo_forum	> 2.4.0 , <= 2.4.16	–

Original title

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_TA...

Original 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.

nvd CVSS3.1 4.8

nvd CVSS4.0 4.8

Vulnerability type

CWE-79 Cross-site Scripting (XSS)

https://wordpress.org/plugins/wpforo/ Product
https://wordpress.org/plugins/wpforo/#developers Release Notes
https://www.vulncheck.com/advisories/wpforo-forum-stored-xss-via-unsafe-json-enc... Third Party Advisory