Cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.10, 1.2x before 1.21.4…
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to inject arbitrary web script or HTML via a -o-link attribute.
Why it matters now
EPSS 0.01459 73rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:1.21:*:*:*:*:*:*:* | 1.21 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.21.1:*:*:*:*:*:*:* | 1.21.1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.21.2:*:*:*:*:*:*:* | 1.21.2 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.21.3:*:*:*:*:*:*:* | 1.21.3 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.22.0:*:*:*:*:*:*:* | 1.22.0 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | up to 1.19.9 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19:*:*:*:*:*:*:* | 1.19 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19:beta_1:*:*:*:*:*:* | 1.19 beta_1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19:beta_2:*:*:*:*:*:* | 1.19 beta_2 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:* | 1.19.0 | Vulnerable | mediawiki |
- cpe:2.3:a:mediawiki:mediawiki:1.21:*:*:*:*:*:*:* Versions 1.21 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.21.1:*:*:*:*:*:*:* Versions 1.21.1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.21.2:*:*:*:*:*:*:* Versions 1.21.2 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.21.3:*:*:*:*:*:*:* Versions 1.21.3 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.22.0:*:*:*:*:*:*:* Versions 1.22.0 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* Versions up to 1.19.9 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19:*:*:*:*:*:*:* Versions 1.19 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19:beta_1:*:*:*:*:*:* Versions 1.19 beta_1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19:beta_2:*:*:*:*:*:* Versions 1.19 beta_2 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:* Versions 1.19.0 Vulnerable ·mediawiki
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:* | 1.19.1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.2:*:*:*:*:*:*:* | 1.19.2 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.3:*:*:*:*:*:*:* | 1.19.3 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.4:*:*:*:*:*:*:* | 1.19.4 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.5:*:*:*:*:*:*:* | 1.19.5 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.6:*:*:*:*:*:*:* | 1.19.6 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.7:*:*:*:*:*:*:* | 1.19.7 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.8:*:*:*:*:*:*:* | 1.19.8 | Vulnerable | mediawiki |
- cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:* Versions 1.19.1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.2:*:*:*:*:*:*:* Versions 1.19.2 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.3:*:*:*:*:*:*:* Versions 1.19.3 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.4:*:*:*:*:*:*:* Versions 1.19.4 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.5:*:*:*:*:*:*:* Versions 1.19.5 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.6:*:*:*:*:*:*:* Versions 1.19.6 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.7:*:*:*:*:*:*:* Versions 1.19.7 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.8:*:*:*:*:*:*:* Versions 1.19.8 Vulnerable ·mediawiki
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2013-6454
- 2026-10-03 Alias added: GHSA-vpcq-vv5m-c4vj
References
More Mediawiki vulnerabilities
- TI-2023-18933 An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. CVSS 3.1CRITICAL 9.8
- TI-2023-13576 An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6… CVSS 3.1CRITICAL 9.8
- TI-2023-03312 Stored XSS leads to privilege escalation in MediaWiki v1.40.0 CVSS 3.1CRITICAL 9.0
- TI-2026-42109 Cross-site request forgery in Wikimedia Foundation Mediawiki - RedirectManager Extension CVSS 4.0MEDIUM 6.9
- TI-2024-22822 An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki… CVSS 3.1HIGH 7.4
- TI-2023-18935 An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2013-6454 · CVE Program
- CVE-2013-6454 · NVD
- FIRST EPSS
- GHSA-vpcq-vv5m-c4vj · GitHub Advisory Database · CC BY 4.0
- CVE-2013-6454 · Red Hat security data · CC BY 4.0
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