CVE-2026-42857

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

CVE-2026-42857 Open edX Platform: Stored CSS Injection in Email Notifications via Incomplete HTML Sanitization

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

CVE-2026-42857 Open edX Platform: Stored CSS Injection in Email Notifications via Incomplete HTML Sanitization

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

EUVD-2026-29165

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

CVE-2026-42857

Open edX Platform is affected by CVE-2026-42857 due to the HTML sanitizer in clean_thread_html_body() not removing tags from user-generated discussion content in email notifications. This allows enrolled students to inject arbitrary CSS into emails rendered with Django’s |safe template filter, e...

CVE-2026-42857 Open edX Platform: Stored CSS Injection in Email Notifications via Incomplete HTML Sanitization

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

PT-2026-39876

Name of the Vulnerable Software and Affected Versions Mantis Bug Tracker MantisBT versions prior to 2.28.2 Description An authorization bypass exists in the private issue monitoring feature. A user with project-level access can send a crafted POST request to the 'bug monitor add.php' endpoint to...

PT-2026-39712

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer clean thread html body used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

PT-2026-37342

The All-in-One WP Migration Unlimited Extension plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 2.83. This is due to the 'Ai1wmve Schedules Controller::save' handler for 'admin post ai1wm schedule event save' not verifying user capabilities before...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the email notification template system. An attacker can inject arbitrary HTML content by supplying crafted values in device, geofence, or driver name fields, which are then rendered in notification emails se...

CVE-2026-27694 traccar allows stored HTML injection in notification emails

Traccar is an open source GPS tracking system. In org.traccar:traccar versions starting at 6.11.1 before 6.13.0, the email notification templates insert user-controlled device, geofence, and driver names into HTML email output without proper escaping. An attacker with low privileges can store...

CVE-2026-5192

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Path Traversal in versions up to, and including, 1.52.1 via the 'upload-1filefilepath' parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary...

PT-2026-36981

Name of the Vulnerable Software and Affected Versions Forminator Forms – Contact Form, Payment Form & Custom Form Builder versions prior to 1.52.2 Description A Path Traversal issue exists in the Forminator Forms plugin for WordPress. Unauthenticated attackers can read arbitrary files on the...

CVE-2026-40229

Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can persist arbitrary HTML in their account name field and cause it to be rendered unescaped in public forum threads where they participate, in the admin ticket view, and in HTML...

CVE-2026-40229 Helpy 2.8.0 - Stored XSS in post author display via PostsHelper

Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can persist arbitrary HTML in their account name field and cause it to be rendered unescaped in public forum threads where they participate, in the admin ticket view, and in HTML...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the HTTPHOST value being directly embedded into the Message-ID header during email generation. An attacker can inject arbitrary SMTP headers into outgoing emails by supplying a crafted Host header during...

CVE-2026-33657

EspoCRM is an open source customer relationship management application. Versions 9.3.3 and below have a stored HTML injection vulnerability that allows any authenticated user with standard non-administrative privileges to inject arbitrary HTML into system-generated email notifications by crafting...

CVE-2026-33657

CVE-2026-33657 affects EspoCRM up to version 9.3.3, where an stored HTML injection vulnerability allows an authenticated user with standard privileges to inject HTML into system-generated email notifications. Root cause: server-side Handlebars templates render the unescaped post field (triple-bra...

CVE-2026-33657 EspoCRM: Stored HTML injection in email notifications about stream notes via unescaped post field

EspoCRM is an open source customer relationship management application. Versions 9.3.3 and below have a stored HTML injection vulnerability that allows any authenticated user with standard non-administrative privileges to inject arbitrary HTML into system-generated email notifications by crafting...

CVE-2026-33657 EspoCRM: Stored HTML injection in email notifications about stream notes via unescaped post field

EspoCRM is an open source customer relationship management application. Versions 9.3.3 and below have a stored HTML injection vulnerability that allows any authenticated user with standard non-administrative privileges to inject arbitrary HTML into system-generated email notifications by crafting...