CVE-2026-58033

published 2026-07-01

CVE-2026-58033: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files…

Priority P4 33 medium 6.5 CVSS 3.1

AV N AC L PR N UI R S U C H I N A N

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.

This vulnerability is associated with program files includes/Actions/InfoAction.Php.

This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
mediawiki	mediawiki	—	—
mediawiki	mediawiki	>= 1.43.0 < 1.43.9	1.43.9
mediawiki	mediawiki	>= 1.44.0 < 1.44.6	1.44.6
mediawiki	mediawiki	>= 1.45.0 < 1.45.4	1.45.4
wikimedia_foundation	mediawiki	>= * < 1.46.0, 1.45.4, 1.44.6, 1.43.9	1.46.0, 1.45.4, 1.44.6, 1.43.9

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

nvd v4.0 5.3 MEDIUM CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-200