Multiple stored i18n/message-key XSSes in UploadWizard
Priority LOW 27CWE-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
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - UploadWizard extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - UploadWizard extension: 1.45, 1.44, 1.43, 1.39.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00241 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Wikimedia Foundation | MediaWiki - UploadWizard extension | 1.45; 1.44; 1.43; 1.39 | — | No fix listed | CNA |
- MediaWiki - UploadWizard extension VendorWikimedia Foundation Affected 1.45; 1.44; 1.43; 1.39 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.39:*:*:*:*:*:*:* | 1.39 | Vulnerable | Wikimedia Foundation |
| cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.43:*:*:*:*:*:*:* | 1.43 | Vulnerable | Wikimedia Foundation |
| cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.44:*:*:*:*:*:*:* | 1.44 | Vulnerable | Wikimedia Foundation |
| cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.45:*:*:*:*:*:*:* | 1.45 | Vulnerable | Wikimedia Foundation |
- cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.39:*:*:*:*:*:*:* Versions 1.39 Vulnerable ·Wikimedia Foundation
- cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.43:*:*:*:*:*:*:* Versions 1.43 Vulnerable ·Wikimedia Foundation
- cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.44:*:*:*:*:*:*:* Versions 1.44 Vulnerable ·Wikimedia Foundation
- cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.45:*:*:*:*:*:*:* Versions 1.45 Vulnerable ·Wikimedia Foundation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-0671
- 2026-10-03 Alias added: GHSA-79p6-j87f-jqp9
References
Sources
- CVE-2026-0671 · CVE Program
- CVE-2026-0671 · NVD
- FIRST EPSS
- GHSA-79p6-j87f-jqp9 · GitHub Advisory Database · CC BY 4.0
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