CVE-2026-103442 | BDVDB-2026-381649 Detail

The Wikimedia FoundationMediaWiki CentralAuth extension

Description#

External control of system or configuration setting vulnerability in The Wikimedia Foundation MediaWiki CentralAuth extension allows Code Injection. This issue affects MediaWiki CentralAuth extension: 1.46, 1.45, and 1.43.

Impact#

CAPEC-242 Code Injection

Weaknesses#

CWE-15 External control of system or configuration setting

References#

Exploit#

No public exploit known

History#

Version 12026-09-30Record published in the CVE List.
Version 22026-11-09Most recent update recorded in the CVE List.

Published

Published: 2026-09-30
Last modified: 2026-11-09

Vendor information

Vendor: The Wikimedia Foundation
Product: MediaWiki CentralAuth extension

All The Wikimedia Foundation vulnerabilities

Score

7.2 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 20.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
1.46
Fixed
Not stated
Vulnerable
1.45
Fixed
Not stated
Vulnerable
1.43
Fixed
Not stated

Scoring System

CVSS v4.0

7.2 High

CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Attack Requirements	Present
Privileges Required	High
User Interaction	Passive
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	Low
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	Low

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).