Wikimedia MediaWiki up to 1.46.0/1.45.4/1.43.9 EasyTimeline Extension xml injection

Summaryinfo

A vulnerability was found in Wikimedia MediaWiki up to 1.46.0/1.45.4/1.43.9. It has been rated as critical. Affected is an unknown function of the component EasyTimeline Extension. This manipulation causes xml injection. This vulnerability is tracked as CVE-2026-103044. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Wikimedia MediaWiki up to 1.46.0/1.45.4/1.43.9 and classified as critical. Affected by this vulnerability is an unknown function of the component EasyTimeline Extension. The manipulation with an unknown input leads to a xml injection vulnerability. The CWE definition for the vulnerability is CWE-91. The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

XML injection (aka blind XPath injection) vulnerability in Wikimedia Foundation MediaWiki - EasyTimeline extension allows XML Injection. This issue affects MediaWiki - EasyTimeline extension: before 1.46.1, 1.45.5, 1.43.10.

The advisory is shared at phabricator.wikimedia.org. This vulnerability is known as CVE-2026-103044 since 09/30/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1505 for this issue.

Upgrading to version 1.46.1, 1.45.5 or 1.43.10 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Wikimedia

Name

• MediaWiki

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43
• 1.43.0
• 1.43.1
• 1.43.2
• 1.43.3
• 1.43.4
• 1.43.5
• 1.43.6
• 1.43.7
• 1.43.8
• 1.43.9
• 1.44
• 1.45
• 1.45.0
• 1.45.1
• 1.45.2
• 1.45.3
• 1.45.4
• 1.46.0

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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