CVE-2026-58031
An attacker can exploit multiple vulnerabilities in MediaWiki to conduct Cross-Site Scripting attacks, redirect users to malicious websites, bypass authentication, or perform SQL injection attacks.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in MediaWiki to conduct Cross-Site Scripting attacks and SQL injection.
- Who is affected
- Deployments of MediaWiki and its extensions are affected.
- Urgency
- Remediation is urgent due to the high severity and potential for data manipulation.
- Action
- Update to the latest version of MediaWiki.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[NEW] [high] MediaWiki and Extensions: Multiple vulnerabilitiescert-bund · 2026-07-02
- unknownCVE-2026-58031: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vu…nvd · 2026-07-01
External references
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[](https://www.csirts.com/cve/CVE-2026-58031)