CVE-2023-45362

An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. diff-multi-sameuser (aka "X intermediate revisions by the same user not shown") ignores username suppression. This is an information leak.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
https://phabricator.wikimedia.org/T341529	Exploit Issue Tracking Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
https://phabricator.wikimedia.org/T341529	Exploit Issue Tracking Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki:1.40.0:-::::::
	cpe:2.3:a:mediawiki:mediawiki:1.40.0:rc0::::::

History

04 Nov 2025, 18:15

Type	Values Removed	Values Added
References		() https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ -

Information

Published : 2023-11-03 05:15

Updated : 2025-11-04 18:15

NVD link : CVE-2023-45362

Mitre link : CVE-2023-45362

CVE.ORG link : CVE-2023-45362

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

NVD-CWE-noinfo

{"id": "CVE-2023-45362", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2023-11-03T05:15:30.773", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html", "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/", "source": "cve@mitre.org"}, {"url": "https://phabricator.wikimedia.org/T341529", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://phabricator.wikimedia.org/T341529", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. diff-multi-sameuser (aka \"X intermediate revisions by the same user not shown\") ignores username suppression. This is an information leak."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en DifferenceEngine.php en MediaWiki antes de 1.35.12, 1.36.x hasta 1.39.x antes de 1.39.5 y 1.40.x antes de 1.40.1. diff-multi-sameuser (tambi\u00e9n conocido como \"X revisiones intermedias del mismo usuario no mostradas\") ignora la supresi\u00f3n del nombre de usuario. Esta es una filtraci\u00f3n de informaci\u00f3n."}], "lastModified": "2025-11-04T18:15:41.890", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6A920574-0C59-4036-9878-C5A39EF82AA1", "versionEndExcluding": "1.35.12"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20B3C0EF-1980-4F24-B0C6-B4BA77562DA3", "versionEndExcluding": "1.39.5", "versionStartIncluding": "1.36.0"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "195C853F-2D51-44A4-990E-8E04FF4E9AA8"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.40.0:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F7880C3A-6D22-4D41-BD00-7E30D3A46FB8"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}