{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53963","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-11T15:50:01.282Z","datePublished":"2026-07-09T22:05:46.329Z","dateUpdated":"2026-07-09T22:05:46.329Z"},"containers":{"cna":{"title":"Discourse: Stored-XSS in 2FA delete confirmation modal","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-wg5x-7f23-m3r5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-wg5x-7f23-m3r5"},{"name":"https://github.com/discourse/discourse/commit/40de62cddadc65c328a1028ab999f3fa94adbfed","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/40de62cddadc65c328a1028ab999f3fa94adbfed"},{"name":"https://github.com/discourse/discourse/commit/529e17d4d570a48972e7cf64720e5dd1fdf23ca8","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/529e17d4d570a48972e7cf64720e5dd1fdf23ca8"},{"name":"https://github.com/discourse/discourse/commit/d92973e51a46cf6dd20c71e6068e6769b67eea5b","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/d92973e51a46cf6dd20c71e6068e6769b67eea5b"},{"name":"https://github.com/discourse/discourse/commit/daea5214d833eacbdd3b1a78d99eb14e9cabd915","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/daea5214d833eacbdd3b1a78d99eb14e9cabd915"},{"name":"https://github.com/discourse/discourse/releases/tag/v2026.1.5","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/releases/tag/v2026.1.5"},{"name":"https://github.com/discourse/discourse/releases/tag/v2026.4.2","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/releases/tag/v2026.4.2"},{"name":"https://github.com/discourse/discourse/releases/tag/v2026.5.1","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/releases/tag/v2026.5.1"},{"name":"https://github.com/discourse/discourse/releases/tag/v2026.6.0","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/releases/tag/v2026.6.0"}],"affected":[{"vendor":"discourse","product":"discourse","versions":[{"version":">= 2026.1.0-latest, < 2026.1.5","status":"affected"},{"version":">= 2026.4.0-latest, < 2026.4.2","status":"affected"},{"version":">= 2026.5.0-latest, < 2026.5.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-09T22:05:46.329Z"},"descriptions":[{"lang":"en","value":"Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, a malicious second factor name on an attacker-controlled account was not escaped in the delete confirmation dialog, allowing stored cross-site scripting when an administrator impersonated that account. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5."}],"source":{"advisory":"GHSA-wg5x-7f23-m3r5","discovery":"UNKNOWN"}}}}