{"id":"CVE-2021-31908","aliases":["EUVD-2021-18783","GHSA-pp43-c4m8-mq4p"],"status":"published","title":"In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.","description":"In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00469,"percentile":0.40878,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-11T12:00:45Z","modified":"2026-06-17T03:52:28Z","products":[{"vendor":"jetbrains","product":"teamcity"}],"references":[{"url":"https://blog.jetbrains.com","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31908"},{"url":"https://github.com/advisories/GHSA-pp43-c4m8-mq4p"}],"sources":{"cve":[{"id":"CVE-2021-31908","description":"In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.","status":"published","published":"2021-05-11T12:00:45Z","modified":"2024-08-03T23:10:31.039Z","updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18783","description":"In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.","status":"published","published":"2021-05-11T12:00:45Z","modified":"2024-08-03T23:10:31Z","updated_at":"2026-11-03T03:24:37.97373Z"}],"ghsa":[{"id":"GHSA-pp43-c4m8-mq4p","title":"In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.","description":"In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.","status":"published","published":"2022-05-24T19:02:08Z","modified":"2023-01-29T05:06:14Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:58.601163Z"}],"nvd":[{"id":"CVE-2021-31908","description":"In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.","status":"published","published":"2021-05-11T12:15:08.057Z","modified":"2026-06-17T03:52:28.217Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:53.343329Z"}]}}