CVE-2026-74252
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
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | j2commerce.com |
| Product | j2store extension for joomla |
| Published | Aug 21, 2026 |
| Last Updated | Aug 21, 2026 |
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Affected Versions
j2commerce.com / J2Store extension for Joomla
1.0.0-3.3.20 4.0.0-4.0.20 4.1.0-4.1.5
Credits
Toan Le