CVE-2023-45362
mediumpriority · track · 17EPSS 0.008 · 56 %ileDEEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (15)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-2818MediaWiki: Mehrere SchwachstellenDeutsch2023-11-02csaf · cert_bundDE
Ein anonymer Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um einen Cross-Site-Scripting-Angriff zu starten oder vertrauliche Informationen offenzulegen.
- BIT-mediawiki-2023-453622024-03-06vendor · osvUS
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.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-45362/cnnvd
- https://phabricator.wikimedia.org/T341529cnnvd
- https://lists.debian.org/debian-lts-announce/2023/11/msg00027.htmlenisa_euvd
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/enisa_euvd
- https://phabricator.wikimedia.org/T341529enisa_euvd
- https://lists.debian.org/debian-lts-announce/2023/11/msg00027.htmlnvd
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/nvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/nvd
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