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...

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 enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove...

CVE-2026-42857: Improper Neutralization of Input During Web Page Generation

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...