{"id":"CVE-2025-48954","summary":"Discourse vulnerable to XSS via user-provided query parameter in oauth failure flow","details":"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.","aliases":["BIT-discourse-2025-48954","GHSA-26p5-mjjh-wfcf"],"modified":"2026-04-10T05:28:52.737877Z","published":"2025-06-25T14:02:46.515Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/48xxx/CVE-2025-48954.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-79"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/48xxx/CVE-2025-48954.json"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-26p5-mjjh-wfcf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-48954"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/discourse/discourse","events":[{"introduced":"0"},{"fixed":"189e1361e1f33432cb8feae46223ed2285f8e564"}]}],"versions":["v0.8.0","v0.8.1","v0.8.2","v0.8.3","v0.8.4","v0.8.5","v0.8.6","v0.8.7","v0.8.8","v0.8.9","v0.9.0","v0.9.1","v0.9.2","v0.9.2.5","v0.9.2.6","v0.9.3","v0.9.4","v0.9.5","v0.9.5.1","v0.9.5.2","v0.9.6","v0.9.6.1","v0.9.6.3","v0.9.6.4","v0.9.7","v0.9.7.1","v0.9.7.2","v0.9.7.3","v0.9.7.4","v0.9.7.5","v0.9.7.6","v0.9.7.7","v0.9.7.8","v0.9.7.9","v0.9.8","v0.9.8.1","v0.9.8.10","v0.9.8.11","v0.9.8.2","v0.9.8.3","v0.9.8.4","v0.9.8.5","v0.9.8.6","v0.9.8.7","v0.9.8.8","v0.9.8.9","v0.9.9.1","v0.9.9.10","v0.9.9.11","v0.9.9.12","v0.9.9.13","v0.9.9.14","v0.9.9.15","v0.9.9.16","v0.9.9.17","v0.9.9.18","v0.9.9.2","v0.9.9.3","v0.9.9.4","v0.9.9.5","v0.9.9.6","v0.9.9.7","v0.9.9.8","v0.9.9.9","v1.0.0","v1.1.0.beta2","v1.1.0.beta3","v1.1.0.beta4","v1.1.0.beta5","v1.1.0.beta6","v1.1.0.beta6b","v1.1.0.beta7","v1.1.0.beta8","v1.2.0.beta1","v1.2.0.beta2","v1.2.0.beta3","v1.2.0.beta4","v1.2.0.beta5","v1.2.0.beta6","v1.2.0.beta7","v1.2.0.beta8","v1.2.0.beta9","v1.3.0.beta1","v1.3.0.beta10","v1.3.0.beta11","v1.3.0.beta2","v1.3.0.beta3","v1.3.0.beta4","v1.3.0.beta5","v1.3.0.beta6","v1.3.0.beta9","v1.4.0.beta1","v1.4.0.beta10","v1.4.0.beta11","v1.4.0.beta12","v1.4.0.beta2","v1.4.0.beta3","v1.4.0.beta4","v1.4.0.beta5","v1.4.0.beta6","v1.4.0.beta7","v1.4.0.beta8","v1.4.0.beta9","v1.5.0.beta1","v1.5.0.beta10","v1.5.0.beta11","v1.5.0.beta12","v1.5.0.beta13","v1.5.0.beta13b","v1.5.0.beta14","v1.5.0.beta2","v1.5.0.beta4","v1.5.0.beta5","v1.5.0.beta6","v1.5.0.beta7","v1.5.0.beta8","v1.5.0.beta9","v1.6.0.beta1","v1.6.0.beta10","v1.6.0.beta11","v1.6.0.beta12","v1.6.0.beta2","v1.6.0.beta3","v1.6.0.beta4","v1.6.0.beta5","v1.6.0.beta6","v1.6.0.beta7","v1.6.0.beta8","v1.6.0.beta9","v1.7.0.beta1","v1.7.0.beta10","v1.7.0.beta11","v1.7.0.beta2","v1.7.0.beta3","v1.7.0.beta4","v1.7.0.beta5","v1.7.0.beta6","v1.7.0.beta7","v1.7.0.beta8","v1.7.0.beta9","v1.8.0.beta1","v1.8.0.beta10","v1.8.0.beta11","v1.8.0.beta12","v1.8.0.beta13","v1.8.0.beta2","v1.8.0.beta3","v1.8.0.beta4","v1.8.0.beta5","v1.8.0.beta6","v1.8.0.beta7","v1.8.0.beta8","v1.8.0.beta9","v1.9.0.beta1","v1.9.0.beta10","v1.9.0.beta11","v1.9.0.beta12","v1.9.0.beta13","v1.9.0.beta14","v1.9.0.beta15","v1.9.0.beta16","v1.9.0.beta17","v1.9.0.beta2","v1.9.0.beta3","v1.9.0.beta4","v1.9.0.beta5","v1.9.0.beta6","v1.9.0.beta7","v1.9.0.beta8","v1.9.0.beta9","v2.0.0.beta1","v2.0.0.beta10","v2.0.0.beta2","v2.0.0.beta3","v2.0.0.beta4","v2.0.0.beta5","v2.0.0.beta6","v2.0.0.beta7","v2.0.0.beta8","v2.0.0.beta9","v2.1.0.beta1","v2.1.0.beta2","v2.1.0.beta3","v2.1.0.beta4","v2.1.0.beta5","v2.1.0.beta6","v2.2.0.beta1","v2.2.0.beta10","v2.2.0.beta2","v2.2.0.beta3","v2.2.0.beta4","v2.2.0.beta5","v2.2.0.beta6","v2.2.0.beta7","v2.2.0.beta8","v2.2.0.beta9","v2.3.0.beta1","v2.3.0.beta10","v2.3.0.beta11","v2.3.0.beta2","v2.3.0.beta3","v2.3.0.beta4","v2.3.0.beta5","v2.3.0.beta6","v2.3.0.beta7","v2.3.0.beta8","v2.3.0.beta9","v2.4.0.beta1","v2.4.0.beta10","v2.4.0.beta11","v2.4.0.beta2","v2.4.0.beta3","v2.4.0.beta4","v2.4.0.beta5","v2.4.0.beta6","v2.4.0.beta7","v2.4.0.beta8","v2.4.0.beta9","v2.5.0.beta1","v2.5.0.beta2","v2.5.0.beta3","v2.5.0.beta4","v2.5.0.beta5","v2.5.0.beta6","v2.5.0.beta7","v2.6.0.beta1","v2.6.0.beta2","v2.6.0.beta3","v2.6.0.beta4","v2.6.0.beta5","v2.6.0.beta6","v2.7.0.beta1","v2.7.0.beta2","v2.7.0.beta3","v2.7.0.beta4","v2.7.0.beta5","v2.7.0.beta6","v2.7.0.beta7","v2.7.0.beta8","v2.7.0.beta9","v2.8.0.beta1","v2.8.0.beta10","v2.8.0.beta11","v2.8.0.beta2","v2.8.0.beta3","v2.8.0.beta4","v2.8.0.beta5","v2.8.0.beta6","v2.8.0.beta7","v2.8.0.beta8","v2.8.0.beta9","v2.9.0.beta1","v2.9.0.beta10","v2.9.0.beta11","v2.9.0.beta12","v2.9.0.beta13","v2.9.0.beta14","v2.9.0.beta2","v2.9.0.beta3","v2.9.0.beta4","v2.9.0.beta5","v2.9.0.beta6","v2.9.0.beta7","v2.9.0.beta8","v2.9.0.beta9","v3.0.0.beta15","v3.0.0.beta16","v3.1.0.beta1","v3.1.0.beta2","v3.1.0.beta3","v3.1.0.beta4","v3.1.0.beta5","v3.1.0.beta6","v3.1.0.beta7","v3.1.0.beta8","v3.2.0.beta1","v3.2.0.beta2","v3.2.0.beta3","v3.2.0.beta4","v3.2.0.beta5","v3.3.0.beta1","v3.3.0.beta2","v3.3.0.beta3","v3.3.0.beta4","v3.3.0.beta5","v3.3.0.beta6","v3.4.0.beta1","v3.4.0.beta2","v3.4.0.beta3","v3.4.0.beta4","v3.5.0.beta1","v3.5.0.beta2","v3.5.0.beta3","v3.5.0.beta4","v3.5.0.bet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