{"id":"CVE-2021-27733","aliases":["EUVD-2021-14475","GHSA-r433-c7vq-9gp5"],"status":"published","title":"In JetBrains YouTrack before 2020.6.6441, stored XSS was possible via an issue attachment.","description":"In JetBrains YouTrack before 2020.6.6441, stored XSS was possible via an issue attachment.","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":0.00578,"percentile":0.47953,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-11T11:35:36Z","modified":"2026-06-17T03:45:23Z","products":[{"vendor":"jetbrains","product":"youtrack"}],"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-2021-27733"},{"url":"https://github.com/advisories/GHSA-r433-c7vq-9gp5"}],"sources":{"cve":[{"id":"CVE-2021-27733","description":"In JetBrains YouTrack before 2020.6.6441, stored XSS was possible via an issue attachment.","status":"published","published":"2021-05-11T11:35:36Z","modified":"2024-08-03T21:26:10.811Z","updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14475","description":"In JetBrains YouTrack before 2020.6.6441, stored XSS was possible via an issue attachment.","status":"published","published":"2021-05-11T11:35:36Z","modified":"2024-08-03T21:26:10Z","updated_at":"2026-11-03T03:24:48.366655Z"}],"ghsa":[{"id":"GHSA-r433-c7vq-9gp5","title":"In JetBrains YouTrack before 2020.6.6441, stored XSS was possible via an issue attachment.","description":"In JetBrains YouTrack before 2020.6.6441, stored XSS was possible via an issue attachment.","status":"published","published":"2022-05-24T19:02:10Z","modified":"2023-01-29T05:06:40Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:04.961867Z"}],"nvd":[{"id":"CVE-2021-27733","description":"In JetBrains YouTrack before 2020.6.6441, stored XSS was possible via an issue attachment.","status":"published","published":"2021-05-11T12:15:07.62Z","modified":"2026-06-17T03:45:23.013Z","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"}]}}