{"id":"CVE-2026-33737","state":"PUBLISHED","title":"Chamilo LMS has an XML External Entity (XXE) Injection","description":"Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, multiple files use simplexml_load_string() without XXE protection. With LIBXML_NOENT flag, arbitrary server files can be read. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.","publishedAt":"2026-04-10T19:05:08.873Z","updatedAt":"2026-04-13T16:02:10.691Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["chamilo chamilo-lms"],"affected":[{"vendor":"chamilo","product":"chamilo-lms","versions":[{"version":"< 1.11.38","status":"affected"},{"version":">= 2.0.0-alpha.1, < 2.0.0-RC.3","status":"affected"}]}],"references":["https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j","https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e","https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3"],"weaknesses":["CWE-611"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33737.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33737","state":"PUBLISHED","datePublished":"2026-04-10T19:05:08.873Z","dateUpdated":"2026-04-13T16:02:10.691Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-23T17:34:57.561Z"},"containers":{"cna":{"title":"Chamilo LMS has an XML External Entity (XXE) Injection","descriptions":[{"lang":"en","value":"Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, multiple files use simplexml_load_string() without XXE protection. With LIBXML_NOENT flag, arbitrary server files can be read. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3."}],"affected":[{"vendor":"chamilo","product":"chamilo-lms","versions":[{"version":"< 1.11.38","status":"affected"},{"version":">= 2.0.0-alpha.1, < 2.0.0-RC.3","status":"affected"}]}],"references":[{"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j","name":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e","name":"https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e","tags":["x_refsource_MISC"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3","name":"https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-611","lang":"en","description":"CWE-611: Improper Restriction of XML External Entity Reference","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-10T19:05:08.873Z"},"source":{"advisory":"GHSA-c4ww-qgf2-v89j","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-13T16:01:59.171472Z","id":"CVE-2026-33737","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-13T16:02:10.691Z"}}]}}}