CVE-2026-78374
Joomla Extension - joomlart.com - Open mail relay via contact AJAX endpoint in T4 Page Builder extension < 2.3.0
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Joomla Extension - joomlart.com - Open mail relay via contact AJAX endpoint in T4 Page Builder extension < 2.3.0 - The front-end JSON editor endpoint exposes an action called contact that requires no authentication, no CSRF token, no captcha (when no captcha plugin is enabled) and has no rate limiting. The attacker fully controls the recipient, subject and HTML body, and the mail is sent from the site's configured sender identity (mailfrom/fromname).
| CWE | CWE-201 |
| Vendor | joomlart.com |
| Product | t4 page builder extension for joomla |
| Published | Sep 10, 2026 |
| Last Updated | Sep 11, 2026 |
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Affected Versions
joomlart.com / T4 Page Builder extension for Joomla
1.0.0-2.2.0