{"id":"CVE-2025-52564","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-52564","generatedAt":"2026-10-28T00:19:45.548Z","title":"This allows an attacker to inject arbitrary HTML, such as underlined text, via a crafted URL.","description":"Chamilo is a learning management system. Prior to version 1.11.30, the open parameter of help.php fails to properly sanitize user input. This allows an attacker to inject arbitrary HTML, such as underlined text, via a crafted URL. This issue has been patched in version 1.11.30.","published":"2026-03-02T16:16:22.000Z","lastModified":"2026-06-17T09:36:41.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-80"],"affected":["chamilo/chamilo lms"],"epss":{"score":0.00204,"percentile":0.10269,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/chamilo/chamilo-lms/commit/083b1d2b0c29b0cc0313a28165ad47bebae9dcb2","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/chamilo/chamilo-lms/commit/1ee2d8bb61b67e08946cd80b1a9b92c1a9959c7b","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30","tags":["Product","Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6fmm-qrx4-wgqc","tags":["Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-52564","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}