CVE-2021-26929

{"id": "CVE-2021-26929", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2021-02-14T04:15:12.777", "references": [{"url": "http://packetstormsecurity.com/files/162187/Webmail-Edition-5.2.22-XSS-Remote-Code-Execution.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/162194/Horde-Groupware-Webmail-5.2.22-Cross-Site-Scripting.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/horde/webmail/releases", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00028.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.horde.org/archives/announce/2021/001298.html", "tags": ["Mailing List", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.alexbirnberg.com/horde-xss.html", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.horde.org/apps/webmail", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "An XSS issue was discovered in Horde Groupware Webmail Edition through 5.2.22 (where the Horde_Text_Filter library before 2.3.7 is used). The attacker can send a plain text e-mail message, with JavaScript encoded as a link or email that is mishandled by preProcess in Text2html.php, because bespoke use of \\x00\\x00\\x00 and \\x01\\x01\\x01 interferes with XSS defenses."}, {"lang": "es", "value": "Se detect\u00f3 un problema de tipo XSS en Horde Groupware Webmail Edition versiones hasta 5.2.22 (donde es usada la biblioteca Horde_Text_Filter versiones anteriores a 2.3.7). El atacante puede enviar un mensaje de correo electr\u00f3nico de texto plano, con JavaScript codificado como un enlace o correo electr\u00f3nico que es manejado apropiadamente por la funci\u00f3n preProcess en el archivo Text2html.php, porque el uso personalizado de \\x00\\x00\\x00 y \\x01\\x01\\x01 interfiere con las defensas de XSS"}], "lastModified": "2021-04-19T20:21:24.513", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:horde:groupware:*:*:*:*:webmail:*:*:*", "vulnerable": true, "matchCriteriaId": "9B749CF0-3995-4FFF-BA34-35D7C889AD78", "versionEndIncluding": "5.2.22"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}