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).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.joomlart.com/t4-builder/t4-joomla-page-builder |
|
History
Sun, 13 Sep 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Joomlart.com
Joomlart.com t4 Page Builder Extension For Joomla |
|
| Vendors & Products |
Joomlart.com
Joomlart.com t4 Page Builder Extension For Joomla |
Thu, 10 Sep 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 10 Sep 2026 10:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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). | |
| Title | Joomla Extension - joomlart.com - Open mail relay via contact AJAX endpoint in T4 Page Builder extension < 2.3.0 | |
| Weaknesses | CWE-201 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: Joomla
Published: 2026-09-10T10:01:56.183Z
Updated: 2026-09-11T04:46:10.305Z
Reserved: 2026-08-24T13:12:10.196Z
Link: CVE-2026-78374
Updated: 2026-09-10T11:54:41.174Z
Status : Deferred
Published: 2026-09-10T10:17:32.490
Modified: 2026-09-10T15:13:07.090
Link: CVE-2026-78374
No data.