An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5…
Priority LOW 36CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-79.
Summary
An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. E-Widgets does widget replacement in HTML attributes, which can lead to XSS, because widget authors often do not expect that their widget is executed in an HTML attribute context.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00574 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | before 1.35.9; 1.36.0 to before 1.38.5 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.39.0:-:*:*:*:*:*:* | 1.39.0 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.39.0:rc0:*:*:*:*:*:* | 1.39.0 rc0 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.39.0:rc1:*:*:*:*:*:* | 1.39.0 rc1 | Vulnerable | mediawiki |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* Versions before 1.35.9; 1.36.0 to before 1.38.5 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.39.0:-:*:*:*:*:*:* Versions 1.39.0 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.39.0:rc0:*:*:*:*:*:* Versions 1.39.0 rc0 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.39.0:rc1:*:*:*:*:*:* Versions 1.39.0 rc1 Vulnerable ·mediawiki
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
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: Out of support scope |
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22911
- 2026-10-03 Alias added: GHSA-6fwq-c2cr-jg74
References
Advisory 1
Sources
- CVE-2023-22911 · CVE Program
- CVE-2023-22911 · NVD
- FIRST EPSS
- GHSA-6fwq-c2cr-jg74 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-22911 · 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