CVE-2026-58035 - Vulnerability Details - OpenCVE

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Special.Block/SpecialBlock.Vue.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://phabricator.wikimedia.org/T428809

History

Wed, 01 Jul 2026 15:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 01 Jul 2026 14:30:00 +0000

Type	Values Removed	Values Added
Description		Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Special.Block/SpecialBlock.Vue.
Title		Stored XSS through a system message in the codex version of Special:Block
Weaknesses		CWE-79
References		https://phabricator.wikimedia.org/T428809
Metrics		cvssV4_0 `{'score': 0, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-07-01T14:17:41.643Z

Updated: 2026-07-01T14:54:43.230Z

Reserved: 2026-06-27T13:32:41.613Z

Link: CVE-2026-58035

Vulnrichment

Updated: 2026-07-01T14:54:38.460Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-07-01T16:45:04Z

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