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 iss…
Published: 2023-10-16 · CVSS: 8.0 · CVSS 3.1
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 3.2.0.beta1 release. Users are advised to upgrade. Users unable to upgrade should ensure CSP is enabled on the forum.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7