What is CVE-2023-45362?

CVE-2023-45362 is a vulnerability in MediaWiki that allows for information leakage.

What is the severity of CVE-2023-45362?

The severity of CVE-2023-45362 is not specified.

How does CVE-2023-45362 impact MediaWiki versions?

CVE-2023-45362 affects MediaWiki versions before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1.

How can CVE-2023-45362 be fixed?

To fix CVE-2023-45362, update MediaWiki to version 1.35.12, 1.39.5, or 1.40.1 or later.

Where can I find more information about CVE-2023-45362?

More information about CVE-2023-45362 can be found at the following references: [Phabricator](https://phabricator.wikimedia.org/T341529) and [Debian Security Tracker](https://security-tracker.debian.org/tracker/CVE-2023-45362).

Vulnerability/
CVE-2023-45362

medium

4.3

3/11/2023

28/11/2023

CVE-2023-45362

First published: Fri Nov 03 2023(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
debian/mediawiki	<=1:1.31.16-1+deb10u2<=1:1.35.11-1~deb11u1	1:1.31.16-1+deb10u7 1:1.35.13-1~deb11u1 1:1.39.5-1~deb12u1 1:1.39.5-1
MediaWiki MediaWiki	<1.35.12
MediaWiki MediaWiki	>=1.36.0<1.39.5
MediaWiki MediaWiki	=1.40.0
MediaWiki MediaWiki	=1.40.0-rc0

Remedy

https://phabricator.wikimedia.org/T341529

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Reference Links

Frequently Asked Questions

What is CVE-2023-45362?
CVE-2023-45362 is a vulnerability in MediaWiki that allows for information leakage.
What is the severity of CVE-2023-45362?
The severity of CVE-2023-45362 is not specified.
How does CVE-2023-45362 impact MediaWiki versions?
CVE-2023-45362 affects MediaWiki versions before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1.
How can CVE-2023-45362 be fixed?
To fix CVE-2023-45362, update MediaWiki to version 1.35.12, 1.39.5, or 1.40.1 or later.
Where can I find more information about CVE-2023-45362?
More information about CVE-2023-45362 can be found at the following references: [Phabricator](https://phabricator.wikimedia.org/T341529) and [Debian Security Tracker](https://security-tracker.debian.org/tracker/CVE-2023-45362).

collector/mitre-cve
collector/security-tracker-debian
agent/severity
agent/references
agent/author
agent/type
agent/event
agent/description
agent/remedy
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
agent/tags
collector/nvd-api
agent/software-canonical-lookup-request
package-manager/debian
vendor/mediawiki
canonical/mediawiki mediawiki
version/mediawiki mediawiki/1.36.0
version/mediawiki mediawiki/1.40.0
version/mediawiki mediawiki/1.40.0-rc0

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