CVE-2026-45143

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{"affected": [{"affectedData": [{"product": "chamilo-lms", "vendor": "chamilo", "versions": [{"status": "affected", "version": ">= 2.0.0, < 2.0.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Chamilo LMS is an open-source learning management system. From 2.0.0 through at least 2.1.0, Chamilo LMS stores private Message.content without server-side sanitization and renders it as HTML in assets/vue/views/message/MessageShow.vue and public/main/template/default/message/view_message.html.twig. An authenticated low-privilege user, including a student, can directly address crafted message content to an administrator because the message creation flow permits a sender to select another user as the recipient. The content executes in the recipient's browser when the recipient opens the routine inbox or message view, without requiring a link click, and can expose session credentials or permit actions as the administrator. This vulnerability is fixed in 2.0.1."}], "id": "CVE-2026-45143", "lastModified": "2026-09-29T19:07:47.037", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45143", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-24T20:45:16.011893Z", "version": "2.0.3"}}]}, "published": "2026-09-17T21:17:12.600", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/chamilo/chamilo-lms/commit/b2c91c021fc5ab7e91feb4927c4c676f77034ac5"}, {"source": "security-advisories@github.com", "url": "https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-x88v-rg6r-vqq6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.0.1)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "chamilo-lms", "source": "cna", "vendor": "chamilo"}, "product": "chamilo_lms", "vendor": "chamilo"}], "created": "2026-09-18T14:30:09.512889+00:00", "updated": "2026-09-18T23:45:15.935005+00:00", "vendors": ["chamilo", "chamilo$PRODUCT$chamilo_lms"]}