{"id":"CVE-2024-54142","aliases":["EUVD-2024-52311","GHSA-94c2-qr2h-88jv"],"status":"published","title":"Cross-site Scripting via Discourse-ai SharedAiConversation onebox in Discourse","description":"Discourse AI is a Discourse plugin which provides a number of AI features. When sharing Discourse AI Bot conversations into posts, if the conversation had HTML entities those could leak into the Discourse application when a user visited a post with a onebox to said conversation. This issue has been addressed in commit `92f122c`. Users are advised to update. Users unable to update may remove all groups from `ai bot public sharing allowed groups` site setting.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00433,"percentile":0.37862,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-01-14T22:39:49Z","modified":"2026-10-28T02:31:07Z","products":[{"vendor":"discourse","product":"discourse-ai"}],"references":[{"url":"https://github.com/discourse/discourse-ai/security/advisories/GHSA-94c2-qr2h-88jv","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/discourse/discourse-ai/commit/92f122c54d9d7ead9223a056270bff5b4c42c73f","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/54xxx/CVE-2024-54142.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-54142","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-54142","title":"Cross-site Scripting via Discourse-ai SharedAiConversation onebox in Discourse","description":"Discourse AI is a Discourse plugin which provides a number of AI features. When sharing Discourse AI Bot conversations into posts, if the conversation had HTML entities those could leak into the Discourse application when a user visited a post with a onebox to said conversation. This issue has been addressed in commit `92f122c`. Users are advised to update. Users unable to update may remove all groups from `ai bot public sharing allowed groups` site setting.","status":"published","published":"2025-01-14T22:39:49.458Z","modified":"2025-01-15T14:54:42.79Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:59.177173Z"}],"euvd":[{"id":"EUVD-2024-52311","description":"Discourse AI is a Discourse plugin which provides a number of AI features. When sharing Discourse AI Bot conversations into posts, if the conversation had HTML entities those could leak into the Discourse application when a user visited a post with a onebox to said conversation. This issue has been addressed in commit `92f122c`. Users are advised to update. Users unable to update may remove all groups from `ai bot public sharing allowed groups` site setting.","status":"published","published":"2025-01-14T22:39:49Z","modified":"2025-01-15T14:54:42Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:19.010388Z"}],"nvd":[{"id":"CVE-2024-54142","description":"Discourse AI is a Discourse plugin which provides a number of AI features. When sharing Discourse AI Bot conversations into posts, if the conversation had HTML entities those could leak into the Discourse application when a user visited a post with a onebox to said conversation. This issue has been addressed in commit `92f122c`. Users are advised to update. Users unable to update may remove all groups from `ai bot public sharing allowed groups` site setting.","status":"published","published":"2025-01-14T23:15:08.687Z","modified":"2026-06-17T08:09:50.983Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:42.329342Z"}],"osv":[{"id":"CVE-2024-54142","title":"Cross-site Scripting via Discourse-ai SharedAiConversation onebox in Discourse","description":"Discourse AI is a Discourse plugin which provides a number of AI features. When sharing Discourse AI Bot conversations into posts, if the conversation had HTML entities those could leak into the Discourse application when a user visited a post with a onebox to said conversation. This issue has been addressed in commit `92f122c`. Users are advised to update. Users unable to update may remove all groups from `ai bot public sharing allowed groups` site setting.","status":"published","published":"2025-01-14T22:39:49.458Z","modified":"2026-10-28T02:31:07.057770044Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:44.451316Z"}]}}