Vulnerability Description
Joomla Extension - j2commerce.com - Stored XSS in Guest checkout in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5 - J2Commerce 4.1.5 is vulnerable to Stored Cross-Site Scripting (XSS) through the guest checkout billing address fields. An unauthenticated attacker exploits a filter bypass in Joomla's Input::getArray() combined with PHP's variables_order=EGPCS (Cookie overrides POST in $_REQUEST ) to store unsanitized HTML in fields such as billing_first_name.
Related Weaknesses (CWE)
References
FAQ
What is CVE-2026-74252?
CVE-2026-74252 is a documented vulnerability. Joomla Extension - j2commerce.com - Stored XSS in Guest checkout in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5 - J2Commerce 4.1.5 is vulnerable to Stored Cross-Site Scripting (XSS) through the gu...
How severe is CVE-2026-74252?
CVSS scoring is not yet available for CVE-2026-74252. Check NVD for updates.
Is there a patch for CVE-2026-74252?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.