CVE-2021-31550

{"id": "CVE-2021-31550", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "published": "2021-04-22T03:15:08.097", "references": [{"url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Commentbox/+/651934/", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://phabricator.wikimedia.org/T270767", "tags": ["Third Party 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 issue was discovered in the CommentBox extension for MediaWiki through 1.35.2. Via crafted configuration variables, a malicious actor could introduce XSS payloads into various layers."}, {"lang": "es", "value": "Se detect\u00f3 un problema en la extensi\u00f3n CommentBox para MediaWiki versiones hasta 1.35.2. por medio de variables de configuraci\u00f3n dise\u00f1adas, un actor malicioso podr\u00eda introducir cargas \u00fatiles XSS en varias capas"}], "lastModified": "2021-04-27T17:59:56.270", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4067807D-769C-485F-A7E3-EE96885BDCE7", "versionEndIncluding": "1.35.2"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}