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4 vulnerabilities found for MediaWiki - ProofreadPage Extension by Wikimedia Foundation
CVE-2026-39838 (GCVE-0-2026-39838)
Vulnerability from nvd – Published: 2026-04-07 19:17 – Updated: 2026-04-08 18:48
VLAI
Title
ProofreadPage improperly sanitizes multiline styles using Sanitizer::checkCSS
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows XSS Targeting Non-Script Elements.
The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki - ProofreadPage Extension |
Affected:
0 , < 1.43
(custom)
Unaffected: 1.43 Unaffected: 1.44 Unaffected: 1.45 |
Credits
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CVE-2026-0670 (GCVE-0-2026-0670)
Vulnerability from nvd – Published: 2026-01-07 18:55 – Updated: 2026-01-07 19:25
VLAI
Title
Stored XSS through a system message and a user-provided parameter in ProofreadPage
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - ProofreadPage Extension: 1.45, 1.44, 1.43, 1.39.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki - ProofreadPage Extension |
Affected:
1.45
Affected: 1.44 Affected: 1.43 Affected: 1.39 |
Credits
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CVE-2026-39838 (GCVE-0-2026-39838)
Vulnerability from cvelistv5 – Published: 2026-04-07 19:17 – Updated: 2026-04-08 18:48
VLAI
Title
ProofreadPage improperly sanitizes multiline styles using Sanitizer::checkCSS
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows XSS Targeting Non-Script Elements.
The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki - ProofreadPage Extension |
Affected:
0 , < 1.43
(custom)
Unaffected: 1.43 Unaffected: 1.44 Unaffected: 1.45 |
Credits
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CVE-2026-0670 (GCVE-0-2026-0670)
Vulnerability from cvelistv5 – Published: 2026-01-07 18:55 – Updated: 2026-01-07 19:25
VLAI
Title
Stored XSS through a system message and a user-provided parameter in ProofreadPage
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - ProofreadPage Extension: 1.45, 1.44, 1.43, 1.39.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki - ProofreadPage Extension |
Affected:
1.45
Affected: 1.44 Affected: 1.43 Affected: 1.39 |
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