{"cve":"CVE-2021-37693","nvd":{"published":"2021-08-13T16:15:07.717","modified":"2026-06-17T04:00:59.900","status":"Modified","description":"Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta4, when adding additional email addresses to an existing account on a Discourse site an email token is generated as part of the email verification process. Deleting the additional email address does not invalidate an unused token which can then be used in other contexts, including reseting a password.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-613","CWE-640"],"references":["https://github.com/discourse/discourse/commit/fb14e50741a4880cda22244eded8858e2f5336ef","https://github.com/discourse/discourse/security/advisories/GHSA-9377-96f4-cww4","https://github.com/discourse/discourse/commit/fb14e50741a4880cda22244eded8858e2f5336ef","https://github.com/discourse/discourse/security/advisories/GHSA-9377-96f4-cww4"],"products":["discourse:discourse"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-37693","score":0.00833,"percentile":0.57658,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}