DSA-6380-1 mediawiki - security update
Multiple security issues were discovered in MediaWiki, a website engine for collaborative work, which could result in information disclosure, code execution via unsafe deserialisation or cross-site scripting. https://security-tracker.debian.org/tracker/DSA-6380-1
CSIRTS triage
- What
- Multiple security issues could result in information disclosure, code execution via unsafe deserialization, or cross-site scripting.
- Who is affected
- Deployments of MediaWiki.
- Urgency
- Remediation is important as these vulnerabilities could lead to significant security risks.
- Action
- Update to the latest version of MediaWiki.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00291.html
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-580240.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all scored CVEs.
- Low exploitation riskCVE-2026-580250.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all scored CVEs.
- Low exploitation riskCVE-2026-580260.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all scored CVEs.
- Low exploitation riskCVE-2026-580270.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.
- Low exploitation riskCVE-2026-580280.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all scored CVEs.
- Low exploitation riskCVE-2026-580290.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all scored CVEs.
- Low exploitation riskCVE-2026-580300.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.
- Low exploitation riskCVE-2026-580320.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.
- Low exploitation riskCVE-2026-580330.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.
- Low exploitation riskCVE-2026-580370.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-58024 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-58025 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-58026 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-58027 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-58028 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-58029 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-58030 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-58032 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-58033 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-58037 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- medium[UPDATE] [medium] MediaWiki: Multiple vulnerabilitiescert-bund
- unknownCVE-2026-58037: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vu…nvd
- unknownCVE-2026-58033: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundati…nvd
- unknownCVE-2026-58032: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vu…nvd
- unknownCVE-2026-58030: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vu…nvd
- unknownCVE-2026-58029: Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program…nvd
- unknownCVE-2026-58028: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vu…nvd
- unknownCVE-2026-58027: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundati…nvd
- unknownCVE-2026-58026: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundati…nvd
- unknownCVE-2026-58025: Deserialization of untrusted data vulnerability in Wikimedia Foundation MediaWiki. This vulner…nvd
- unknownCVE-2026-58024: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundati…nvd
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