CVE-2026-58038
An attacker can exploit multiple vulnerabilities in MediaWiki to conduct an unspecified attack, disclose information, execute arbitrary program code, and conduct a cross-site scripting attack.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities to conduct unspecified attacks, disclose information, execute arbitrary program code, and conduct cross-site scripting attacks.
- Who is affected
- Deployments of MediaWiki with the affected versions.
- Urgency
- Remediation is medium urgency as multiple attack vectors are present.
- 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 risk0.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[UPDATE] [medium] MediaWiki: Multiple vulnerabilitiescert-bund · 2026-07-06
- unknownCVE-2026-58038: 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-2026-58038)