CVE-2021-44856

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "unknown", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "matchCriteriaId": "99942EE7-37A1-42CD-B392-8ED9362430E2", "versionEndExcluding": "1.35.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "matchCriteriaId": "7377A8D6-3B2E-4FD6-820A-4CD632158111", "versionEndExcluding": "1.36.3", "versionStartIncluding": "1.36.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.37.0:-:*:*:*:*:*:*", "matchCriteriaId": "0B3400A0-D77C-45D4-8868-73AF0B82B6B0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc0:*:*:*:*:*:*", "matchCriteriaId": "F533BF3B-6FBC-4CA6-A645-A321E20B9804", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "7CBE66AB-8BE5-4A96-9B90-8F3238AE7CBC", "vulnerable": true}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "18A9BF2D-7DDF-4C9D-838A-D8BA511A2CD6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A title blocked by AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of the EditFilterMergedContent hook return value."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en MediaWiki antes de 1.35.5, 1.36.x antes de 1.36.3 y 1.37.x antes de 1.37.1. Se puede crear un t\u00edtulo bloqueado por AbuseFilter a trav\u00e9s de Special:ChangeContentModel debido al mal manejo del valor de retorno del gancho EditFilterMergedContent."}], "id": "CVE-2021-44856", "lastModified": "2026-06-17T04:12:53.907", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-44856", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-14T15:49:08.587806Z", "version": "2.0.3"}}]}, "published": "2022-12-26T06:15:10.737", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://phabricator.wikimedia.org/T271037"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/202305-24"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://phabricator.wikimedia.org/T271037"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202305-24"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-754"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "mediawiki: Title blocked in AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of EditFilterMergedContent hook return value", "id": "2156326", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2156326"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.9", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "details": ["An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A title blocked by AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of the EditFilterMergedContent hook return value."], "name": "CVE-2021-44856", "package_state": [{"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Out of support scope", "package_name": "mediawiki", "product_name": "Red Hat OpenShift Container Platform 3.11"}], "public_date": "2022-12-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-44856\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-44856"], "threat_severity": "Low"}

{}