{"cve":"CVE-2021-35415","nvd":{"published":"2021-12-03T22:15:07.623","modified":"2026-06-17T03:57:30.080","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","score":4.8},"cwes":["CWE-79"],"references":["https://github.com/andrejspuler/writeups/tree/main/chamilo-lms#multiple-stored-cross-site-scripting-vulnerabilities","https://github.com/chamilo/chamilo-lms/commit/19189a91d1eac9aa204b9439b82e3e73c8ac2e03","https://github.com/chamilo/chamilo-lms/commit/cf84be1ca1d9a08ad1341dfbf8df475b13a89072","https://github.com/chamilo/chamilo-lms/commit/fd54f6194285f949c86060d3b2a7967b43689480","https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-61-2021-05-14-Low-impact-very-low-risk-XSS-in-course-name"],"products":["chamilo:chamilo_lms"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-35415","score":0.00924,"percentile":0.60426,"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."]}