{"id":"BIT-discourse-2026-72730","summary":"Discourse: Stored XSS chat-transcript username unescaped in Rich Text Editor","details":"Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, the Rich Text Editor rendered a chat-transcript username as HTML, allowing stored cross-site scripting. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.","aliases":["CVE-2026-72730","GHSA-wg48-qxjc-f459"],"modified":"2026-08-17T08:10:56.254030766Z","published":"2026-08-17T05:44:36.625Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*"]},"references":[{"type":"WEB","url":"https://github.com/discourse/discourse/commit/32920affe4ad97b461ca2ae2f664c5fefc374baf"},{"type":"WEB","url":"https://github.com/discourse/discourse/commit/3fb1e8ead0d4f48d2cf55c8110825c7e8a6a45f5"},{"type":"WEB","url":"https://github.com/discourse/discourse/commit/7eb35d076ab9b6a612e86182336ce9787ce402ea"},{"type":"WEB","url":"https://github.com/discourse/discourse/commit/9633b8ecaf5a99f0407f5261b9bd1a05f7dac529"},{"type":"WEB","url":"https://github.com/discourse/discourse/security/advisories/GHSA-wg48-qxjc-f459"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72730"}],"affected":[{"package":{"name":"discourse","ecosystem":"Bitnami","purl":"pkg:bitnami/discourse"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.1.6"},{"introduced":"2026.5.0"},{"fixed":"2026.5.2"},{"introduced":"2026.6.0"},{"fixed":"2026.6.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2026-72730.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"}]}],"schema_version":"1.9.0"}