{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-11T07:33:21.163","vulnerabilities":[{"cve":{"id":"CVE-2020-35479","sourceIdentifier":"cve@mitre.org","published":"2020-12-18T08:15:15.357","lastModified":"2024-11-21T05:27:22.807","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. Language::translateBlockExpiry itself does not escape in all code paths. For example, the return of Language::userTimeAndDate is is always unsafe for HTML in a month value. This affects MediaWiki 1.12.0 and later."},{"lang":"es","value":"MediaWiki versiones anteriores a 1.35.1, permite un ataque de tipo XSS por medio del archivo BlockLogFormatter.php. En la función Language::translateBlockExpiry en sí mismo no escapa en todas las rutas de código. Por ejemplo, la devolución de la función Language::userTimeAndDate es siempre no segura para HTML en un valor de mes. Esto afecta a MediaWiki versiones 1.12.0 y posteriores"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*","versionStartIncluding":"1.12.0","versionEndExcluding":"1.35.1","matchCriteriaId":"D4B56916-AE2B-4414-8BEF-C2054DB6BBAD"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","matchCriteriaId":"E460AA51-FCDA-46B9-AE97-E6676AA5E194"}]}]}],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html","source":"cve@mitre.org","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/","source":"cve@mitre.org"},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html","source":"cve@mitre.org","tags":["Mailing List","Release Notes","Vendor Advisory"]},{"url":"https://phabricator.wikimedia.org/T268938","source":"cve@mitre.org","tags":["Exploit","Vendor Advisory"]},{"url":"https://www.debian.org/security/2020/dsa-4816","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Release Notes","Vendor Advisory"]},{"url":"https://phabricator.wikimedia.org/T268938","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Vendor Advisory"]},{"url":"https://www.debian.org/security/2020/dsa-4816","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}