{"id":"CVE-2021-32788","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-32788","generatedAt":"2026-10-27T22:28:24.271Z","title":"Discourse is an open source discussion platform.","description":"Discourse is an open source discussion platform. In versions prior to 2.7.7 there are two bugs which led to the post creator of a whisper post being revealed to non-staff users. 1: Staff users that creates a whisper post in a personal message is revealed to non-staff participants of the personal message even though the whisper post cannot be seen by them. 2: When a whisper post is before the last post in a post stream, deleting the last post will result in the creator of the whisper post to be revealed to non-staff users as the last poster of the topic.","published":"2021-07-27T22:15:08.000Z","lastModified":"2026-06-17T03:53:38.000Z","status":"Modified","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-668"],"affected":["discourse/discourse"],"epss":{"score":0.00888,"percentile":0.59063,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.89%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/discourse/discourse/commit/680024f9071b7696e5a444a58791016c6dc1f1e5","tags":["Patch","Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/commit/dbdf61196d9e964e8823793d2e7f856595fea4d9","tags":["Patch","Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-v6xg-q577-vc92","tags":["Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/discourse/discourse/commit/680024f9071b7696e5a444a58791016c6dc1f1e5","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/discourse/discourse/commit/dbdf61196d9e964e8823793d2e7f856595fea4d9","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-v6xg-q577-vc92","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32788","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}