CVE-2025-48954 — Discourse vulnerable to XSS via user-provided query parameter in oauth failure flow
Discourse is an open-source discussion platform. Versions prior to 3.5.0.beta6 are vulnerable to cross-site scripting when the content security policy isn't enabled when using s…
Published: 2025-06-25 · CVSS: 8.1 · CVSS 3.1
Discourse is an open-source discussion platform. Versions prior to 3.5.0.beta6 are vulnerable to cross-site scripting when the content security policy isn't enabled when using social logins. Version 3.5.0.beta6 patches the issue. As a workaround, have the content security policy enabled.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7