{"id":"CVE-2025-50186","aliases":["EUVD-2025-208155","GHSA-wrx6-5v5r-mmgx"],"status":"published","title":"Chamilo: Stored XSS via Malicious CSV Filename in user_import.php","description":"Chamilo is a learning management system. Prior to version 1.11.30, a stored cross-site scripting (XSS) vulnerability exists due to insufficient sanitization of CSV filenames. An attacker can upload a maliciously named CSV file (e.g., \u003cimg src=q onerror=prompt(8)\u003e.csv) that leads to JavaScript execution when viewed by administrators or users with access to import logs or file views. This issue has been patched in version 1.11.30.","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":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00351,"percentile":0.29187,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-03-02T14:36:27Z","modified":"2026-10-28T02:30:34Z","products":[{"vendor":"chamilo","product":"chamilo-lms"},{"vendor":"chamilo","product":"chamilo_lms"}],"references":[{"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-wrx6-5v5r-mmgx","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/9fef8f30b41d586cb4f4fc823906c16a12ae0ff4","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30","tags":["x_refsource_MISC","Product","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50186.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-50186","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-50186","title":"Chamilo: Stored XSS via Malicious CSV Filename in user_import.php","description":"Chamilo is a learning management system. Prior to version 1.11.30, a stored cross-site scripting (XSS) vulnerability exists due to insufficient sanitization of CSV filenames. An attacker can upload a maliciously named CSV file (e.g., \u003cimg src=q onerror=prompt(8)\u003e.csv) that leads to JavaScript execution when viewed by administrators or users with access to import logs or file views. This issue has been patched in version 1.11.30.","status":"published","published":"2026-03-02T14:36:27.635Z","modified":"2026-03-02T19:31:41.015Z","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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:52.526476Z"}],"euvd":[{"id":"EUVD-2025-208155","description":"Chamilo is a learning management system. Prior to version 1.11.30, a stored cross-site scripting (XSS) vulnerability exists due to insufficient sanitization of CSV filenames. An attacker can upload a maliciously named CSV file (e.g., \u003cimg src=q onerror=prompt(8)\u003e.csv) that leads to JavaScript execution when viewed by administrators or users with access to import logs or file views. This issue has been patched in version 1.11.30.","status":"published","published":"2026-03-02T14:36:27Z","modified":"2026-03-02T19:31:41Z","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":"2026-11-02T19:48:12.668624Z"}],"nvd":[{"id":"CVE-2025-50186","description":"Chamilo is a learning management system. Prior to version 1.11.30, a stored cross-site scripting (XSS) vulnerability exists due to insufficient sanitization of CSV filenames. An attacker can upload a maliciously named CSV file (e.g., \u003cimg src=q onerror=prompt(8)\u003e.csv) that leads to JavaScript execution when viewed by administrators or users with access to import logs or file views. This issue has been patched in version 1.11.30.","status":"published","published":"2026-03-02T15:16:29.53Z","modified":"2026-06-17T09:34:49.407Z","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":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:01.096037Z"}],"osv":[{"id":"CVE-2025-50186","title":"Chamilo: Stored XSS via Malicious CSV Filename in user_import.php","description":"Chamilo is a learning management system. Prior to version 1.11.30, a stored cross-site scripting (XSS) vulnerability exists due to insufficient sanitization of CSV filenames. An attacker can upload a maliciously named CSV file (e.g., \u003cimg src=q onerror=prompt(8)\u003e.csv) that leads to JavaScript execution when viewed by administrators or users with access to import logs or file views. This issue has been patched in version 1.11.30.","status":"published","published":"2026-03-02T14:36:27.635Z","modified":"2026-10-28T02:30:34.868943583Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:50.037003Z"}]}}