CVE-2024-53266

Discourse is an open source platform for community discussion. In affected versions with some combinations of plugins, and with CSP disabled, activity streams in the user's profile page may be vulnerable to XSS. This has been patched in the latest version of Discourse core. Users are advised to...

CVE-2024-56328

Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by posting a maliciously crafted onebox url. This issue only affects sites with CSP disabled. This problem has been patched in the latest version of Discourse. Users are...

CVE-2025-22602 Stored DOM-based XSS (without CSP) via video placeholders in Discourse

Discourse is an open source platform for community discussion. In affected versions an attacker can execute arbitrary JavaScript on users' browsers by posting a malicious video placeholder html element. This issue only affects sites with CSP disabled. This problem has been patched in the latest...

CVE-2024-47772

CVE-2024-47772: Discourse exposes a cross-site scripting (XSS) vulnerability via chat excerpts when CSP is disabled. An attacker can cause arbitrary JavaScript execution in a user’s browser by sending a maliciously crafted chat message and a reply. The issue affects sites with CSP disabled and is...

CVE-2023-43658

dicourse-calendar is a plugin for the Discourse messaging platform which adds the ability to create a dynamic calendar in the first post of a topic. Improper escaping of event titles could lead to Cross-site Scripting XSS within the 'email preview' UI when a site has CSP disabled. Having CSP...

Cross site scripting

dicourse-calendar is a plugin for the Discourse messaging platform which adds the ability to create a dynamic calendar in the first post of a topic. Improper escaping of event titles could lead to Cross-site Scripting XSS within the 'email preview' UI when a site has CSP disabled. Having CSP...

CVE-2023-43659 Cross-site Scripting via email preview when CSP disabled in Discourse

Discourse is an open source platform for community discussion. Improper escaping of user input allowed for Cross-site Scripting attacks via the digest email preview UI. This issue only affects sites with CSP disabled. This issue has been patched in the 3.1.1 stable release as well as the...

CVE-2017-12062

An XSS issue was discovered in manageuserpage.php in MantisBT 2.x before 2.5.2. The 'filter' field is not sanitized before being rendered in the Manage User page, allowing remote attackers to execute arbitrary JavaScript code if CSP is disabled...

CVE-2017-12062

An XSS issue was discovered in manageuserpage.php in MantisBT 2.x before 2.5.2. The 'filter' field is not sanitized before being rendered in the Manage User page, allowing remote attackers to execute arbitrary JavaScript code if CSP is disabled...