{"id":"BIT-discourse-2021-37633","summary":"XSS via d-popover and d-html-popover attribute","details":"Discourse is an open source discussion platform. In versions prior to 2.7.8 rendering of d-popover tooltips can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse's default Content Security Policy. This issue is patched in the latest `stable` 2.7.8 version of Discourse. As a workaround users may ensure that the Content Security Policy is enabled, and has not been modified in a way which would make it more vulnerable to XSS attacks.","aliases":["CVE-2021-37633","GHSA-v3v8-3m5w-pjp9"],"modified":"2026-09-10T16:00:44.476680056Z","published":"2024-03-06T11:09:55.961Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37633"}],"affected":[{"package":{"name":"discourse","ecosystem":"Bitnami","purl":"pkg:bitnami/discourse"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.7.8"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2021-37633.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N"}]}],"schema_version":"1.9.0"}