CVE-2026-104446 YesWiki before 4.6.7 Unauthenticated Open Mail Relay via Contact Mail Handler

YesWiki before 4.6.7 contains an authentication bypass in the contact mail AJAX handler that allows unauthenticated attackers to send email through the wiki's SMTP server. Attackers can POST an XMLHttpRequest to the mail handler without field or type parameters, supplying arbitrary recipient,...

CVE-2026-104446 YesWiki before 4.6.7 Unauthenticated Open Mail Relay via Contact Mail Handler

YesWiki before 4.6.7 contains an authentication bypass in the contact mail AJAX handler that allows unauthenticated attackers to send email through the wiki's SMTP server. Attackers can POST an XMLHttpRequest to the mail handler without field or type parameters, supplying arbitrary recipient,...

CVE-2026-78374

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 limitin...

CVE-2026-78374 Joomla Extension - joomlart.com - Open mail relay via contact AJAX endpoint in T4 Page Builder extension < 2.3.0

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 limitin...

CVE-2026-78374

T4 Page Builder (by joomlart.com) for Joomla, versions prior to 2.3.0 , is vulnerable to an open mail relay via its front-end JSON editor endpoint. The exposed contact action requires no authentication, no CSRF token, no captcha (when no captcha plugin is enabled), and has no rate limiting. An at...

CVE-2026-78374 Joomla Extension - joomlart.com - Open mail relay via contact AJAX endpoint in T4 Page Builder extension < 2.3.0

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 limitin...

EUVD-2026-75386

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 limitin...

CVE-2026-78374: Insertion of Sensitive Information Into Sent Data

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 limitin...

PT-2026-89353

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 limitin...

CVE-2026-75953

Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory 6.2.3 - Recipient address was taken from the request contactidoffer / contactidevent instead of the server-side offer/event record, so mail could be sent to an arbitrary address...

CVE-2026-75953 Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory < 6.2.3

Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory 6.2.3 - Recipient address was taken from the request contactidoffer / contactidevent instead of the server-side offer/event record, so mail could be sent to an arbitrary address...

CVE-2026-75953

The J-BusinessDirectory Joomla Extension by cmsjunkie.com (versions prior to 6.2.3 ) is vulnerable to an open mail relay . The root cause is that the application retrieves the recipient's email address directly from user-supplied request parameters (contact_id_offer or contact_id_event ) rather t...

CVE-2026-75953 Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory < 6.2.3

Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory 6.2.3 - Recipient address was taken from the request contactidoffer / contactidevent instead of the server-side offer/event record, so mail could be sent to an arbitrary address...

CVE-2026-75953: Insertion of Sensitive Information Into Sent Data

Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory 6.2.3 - Recipient address was taken from the request contactidoffer / contactidevent instead of the server-side offer/event record, so mail could be sent to an arbitrary address...

PT-2026-78452

Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory 6.2.3 - Recipient address was taken from the request contact id offer / contact id event instead of the server-side offer/event record, so mail could be sent to an arbitrary address...

Exploit for Server-Side Request Forgery in Chamilo Chamilo_Lms

CVE-2026-33715 — Unauthenticated SSRF + Open Email Relay in Ch...

CVE-2026-6675

The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to Unauthenticated Open Email Relay in all versions up to, and including, 2.2.0. This is due to insufficient authorization checks and missing server-side validation of the recipient email address supplie...

CVE-2026-6675

The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to Unauthenticated Open Email Relay in all versions up to, and including, 2.2.0. This is due to insufficient authorization checks and missing server-side validation of the recipient email address supplie...

CVE-2026-6675 Responsive Blocks <= 2.2.0 - Unauthenticated Open Email Relay via REST API 'email_to' Parameter

The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to Unauthenticated Open Email Relay in all versions up to, and including, 2.2.0. This is due to insufficient authorization checks and missing server-side validation of the recipient email address supplie...

CVE-2026-6675

The CVE entry maps to a concrete vulnerability in the WordPress Responsive Blocks plugin (versions ≤ 2.2.0). It describes an unauthenticated open email relay via the REST API 'email_to' parameter, enabling abuse of email delivery functions without login. The source does not provide exploit steps ...