CVE-2026-58031

medium Red Hat
CVSS v3 Base Score
4.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Published: July 1, 2026 (8 days ago)
Last Modified: July 1, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in Wikimedia Foundation MediaWiki. This vulnerability, categorized as an Improper Neutralization of Input During Web Page Generation (Cross-site Scripting or XSS), allows a remote attacker to inject malicious scripts into web pages. When a user views an affected page, the attacker's script can execute in their browser, potentially leading to information disclosure, session hijacking, or defacement of the website.

CWE

CWE-79

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 phabricator.wikimedia.org