CVE-2025-66823

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:trueconf:trueconf_server:5.5.2.10813:*:*:*:*:windows:*:*", "matchCriteriaId": "A646E1C3-667C-4AE7-82C5-4667C6BCBA41", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An HTML Injection vulnerability in TrueConf server 5.5.2.10813 in the conference description field allows an attacker to inject arbitrary HTML in the Create/Edit conference functionality. The payload will be triggered when the victim opens the Conference Info page ([conference url]/info)."}, {"lang": "es", "value": "Una vulnerabilidad de inyecci\u00f3n HTML en el servidor TrueConf 5.5.2.10813 en el campo de descripci\u00f3n de la conferencia permite a un atacante inyectar HTML arbitrario en la funcionalidad de Crear/Editar conferencia. La carga \u00fatil se activar\u00e1 cuando la v\u00edctima abra la p\u00e1gina de Informaci\u00f3n de la Conferencia ([url de la conferencia]/info)."}], "id": "CVE-2025-66823", "lastModified": "2026-08-20T18:09:27.403", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66823", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-01-02T14:40:17.658402Z", "version": "2.0.3"}}]}, "published": "2025-12-30T20:16:01.413", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://trueconf.com"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2026-01-05T10:22:14.587572+00:00", "updated": "2026-01-05T10:22:14.587610+00:00", "vendors": ["trueconf", "trueconf$PRODUCT$server"]}