{"id":"CVE-2021-35415","aliases":["EUVD-2021-22058","GHSA-wmrg-883r-jcp6"],"status":"published","title":"A stored cross-site scripting (XSS) vulnerability allows attackers to execute arbitrary web...","description":"A stored cross-site scripting (XSS) vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the course \"Title\" and \"Content\" fields.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00924,"percentile":0.60898,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-12-03T21:07:07Z","modified":"2026-10-20T10:54:46Z","products":[{"vendor":"chamilo","product":"chamilo_lms"}],"references":[{"url":"https://github.com/andrejspuler/writeups/tree/main/chamilo-lms#multiple-stored-cross-site-scripting-vulnerabilities","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-61-2021-05-14-Low-impact-very-low-risk-XSS-in-course-name","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Vendor Advisory","fix"]},{"url":"https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-62-2021-05-14-Low-impact-low-risk-XSS-in-course-description","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Vendor Advisory","fix"]},{"url":"https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-63-2021-05-14-Low-impact-moderate-risk-XSS-in-course-documents","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Vendor Advisory","fix"]},{"url":"https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-64-2021-05-14-Low-impact-low-risk-XSS-in-course-document-title-on-upload","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/fd54f6194285f949c86060d3b2a7967b43689480","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/19189a91d1eac9aa204b9439b82e3e73c8ac2e03","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/cf84be1ca1d9a08ad1341dfbf8df475b13a89072","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35415"},{"url":"https://github.com/advisories/GHSA-wmrg-883r-jcp6"}],"sources":{"cve":[{"id":"CVE-2021-35415","description":"A stored cross-site scripting (XSS) vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the course \"Title\" and \"Content\" fields.","status":"published","published":"2021-12-03T21:07:07Z","modified":"2024-08-04T00:40:45.702Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-22058","description":"A stored cross-site scripting (XSS) vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the course \"Title\" and \"Content\" fields.","status":"published","published":"2021-12-03T21:07:07Z","modified":"2024-08-04T00:40:45Z","updated_at":"2026-11-03T03:24:30.441845Z"}],"ghsa":[{"id":"GHSA-wmrg-883r-jcp6","title":"A stored cross-site scripting (XSS) vulnerability allows attackers to execute arbitrary web...","description":"A stored cross-site scripting (XSS) vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the course \"Title\" and \"Content\" fields.","status":"published","published":"2021-12-04T00:00:50Z","modified":"2023-02-01T05:06:33Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:22.333418Z"}],"nvd":[{"id":"CVE-2021-35415","description":"A stored cross-site scripting (XSS) vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the course \"Title\" and \"Content\" fields.","status":"published","published":"2021-12-03T22:15:07.623Z","modified":"2026-06-17T03:57:30.08Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/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":"2026-11-02T14:07:01.811115Z"}],"osv":[{"id":"CVE-2021-35415","description":"A stored cross-site scripting (XSS) vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the course \"Title\" and \"Content\" fields.","status":"published","published":"2021-12-03T22:15:07.623Z","modified":"2026-10-20T10:54:46.111060795Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:20.13324Z"}]}}