{"id":"CVE-2021-36747","aliases":["EUVD-2021-23337","GHSA-42mm-xxc6-g629"],"status":"published","title":"Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form.","description":"Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form.","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":"2026-11-08","score":0.0062,"percentile":0.49982,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2021-07-20T20:44:23Z","modified":"2026-06-17T03:59:06Z","exploits":[{"source":"pocgithub","id":"cseasholtz/CVE-2021-36747","title":"cseasholtz/CVE-2021-36747","date":"2021-07-20","url":"https://github.com/cseasholtz/CVE-2021-36747"}],"products":[{"vendor":"blackboard","product":"blackboard_learn"}],"references":[{"url":"https://github.com/cseasholtz/CVE-2021-36747","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36747"},{"url":"https://github.com/advisories/GHSA-42mm-xxc6-g629"}],"sources":{"cve":[{"id":"CVE-2021-36747","description":"Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form.","status":"published","published":"2021-07-20T20:44:23Z","modified":"2024-08-04T01:01:59.437Z","updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23337","description":"Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form.","status":"published","published":"2021-07-20T20:44:23Z","modified":"2024-08-04T01:01:59Z","updated_at":"2026-11-03T03:24:29.329171Z"}],"ghsa":[{"id":"GHSA-42mm-xxc6-g629","title":"Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form.","description":"Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form.","status":"published","published":"2022-05-24T19:08:26Z","modified":"2023-01-30T05:00:52Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:17.249643Z"}],"nvd":[{"id":"CVE-2021-36747","description":"Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form.","status":"published","published":"2021-07-20T21:15:07.767Z","modified":"2026-06-17T03:59:06.153Z","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":"2026-11-02T14:06:56.185362Z"}]}}