In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, Special:UserRights…
Priority LOW 27Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, Special:UserRights exposes the existence of hidden users.
Why it matters now
EPSS 0.01291 70th percentileScored 2026-11-07
Fix Partial mediawiki/core (Packagist): 1.31.9, 1.34.3Red Hat: 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | mediawiki/core (Packagist) | 1.31.0 to before 1.31.9 | 1.31.9 | Patch available | GHSA-c4rj-wrmq-52rj |
| — | mediawiki/core (Packagist) | 1.32.0 to before 1.34.3 | 1.34.3 | Patch available | GHSA-c4rj-wrmq-52rj |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- mediawiki/core (Packagist) Vendor— Affected 1.31.0 to before 1.31.9 Fixed in 1.31.9 Patch available GHSA-c4rj-wrmq-52rj
- mediawiki/core (Packagist) Vendor— Affected 1.32.0 to before 1.34.3 Fixed in 1.34.3 Patch available GHSA-c4rj-wrmq-52rj
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | before 1.31.10; 1.32.0 to before 1.34.4 | Vulnerable | mediawiki |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* Versions before 1.31.10; 1.32.0 to before 1.34.4 Vulnerable ·mediawiki
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
Remediation
- Fix · GHSA-c4rj-wrmq-52rj mediawiki/core (Packagist) Fixed in 1.31.9 Advisory →
- Fix · GHSA-c4rj-wrmq-52rj mediawiki/core (Packagist) Fixed in 1.34.3 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 4 | Affected | No fix planned: Out of support scope |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-25813
- 2026-10-03 Alias added: GHSA-c4rj-wrmq-52rj
References
Advisory 5
Other 5
- https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25813.yaml
- https://github.com/wikimedia/mediawiki
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- https://lists.fedoraproject.org/archives/list/[email protected]/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- https://phabricator.wikimedia.org/T232568
Sources
- CVE-2020-25813 · CVE Program
- CVE-2020-25813 · NVD
- FIRST EPSS
- GHSA-c4rj-wrmq-52rj · GitHub Advisory Database · CC BY 4.0
- CVE-2020-25813 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences