Search criteria
6 vulnerabilities found for Mediawiki - CheckUser extension by Wikimedia Foundation
CVE-2025-53479 (GCVE-0-2025-53479)
Vulnerability from cvelistv5 – Published: 2025-07-08 17:16 – Updated: 2025-07-10 13:18
VLAI?
Title
CheckUser: Reflected Cross-Site Scripting (XSS) in Special:CheckUser via unsanitized internationalized message
Summary
The CheckUser extension’s Special:CheckUser interface is vulnerable to reflected XSS via the rev-deleted-user message. This message is rendered without proper escaping, making it possible to inject JavaScript through the uselang=x-xss language override mechanism.
This issue affects Mediawiki - CheckUser extension: from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Severity ?
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - CheckUser extension |
Affected:
1.42.x , < 1.42.7
(semver)
Affected: 1.43.x , < 1.43.2 (semver) |
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CVE-2025-53480 (GCVE-0-2025-53480)
Vulnerability from cvelistv5 – Published: 2025-07-08 14:58 – Updated: 2025-07-08 20:44
VLAI?
Title
CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate (Account information tab) via unsanitized i18n messages
Summary
The CheckUser extension’s Special:Investigate page has a vulnerability in the Account information tab, where specific internationalized messages are rendered without proper escaping. Attackers can exploit this by appending ?uselang=x-xss to the URL, causing reflected XSS when the UI renders affected message keys.
This issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Severity ?
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - CheckUser extension |
Affected:
1.39.x , < 1.39.13
(semver)
Affected: 1.42.x , < 1.42.7 (semver) Affected: 1.43.x , < 1.43.2 (semver) |
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CVE-2025-53478 (GCVE-0-2025-53478)
Vulnerability from cvelistv5 – Published: 2025-07-07 18:16 – Updated: 2025-07-07 20:49
VLAI?
Title
CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate via unsanitized i18n messages
Summary
The CheckUser extension’s Special:Investigate interface is vulnerable to reflected XSS due to improper escaping of certain internationalized system messages rendered on the “IPs and User agents” tab.
This issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Severity ?
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - CheckUser extension |
Affected:
1.39.x , < 1.39.13
(semver)
Affected: 1.42.x , < 1.42.7 (semver) Affected: 1.43.x , < 1.43.2 (semver) |
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CVE-2025-53479 (GCVE-0-2025-53479)
Vulnerability from nvd – Published: 2025-07-08 17:16 – Updated: 2025-07-10 13:18
VLAI?
Title
CheckUser: Reflected Cross-Site Scripting (XSS) in Special:CheckUser via unsanitized internationalized message
Summary
The CheckUser extension’s Special:CheckUser interface is vulnerable to reflected XSS via the rev-deleted-user message. This message is rendered without proper escaping, making it possible to inject JavaScript through the uselang=x-xss language override mechanism.
This issue affects Mediawiki - CheckUser extension: from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Severity ?
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - CheckUser extension |
Affected:
1.42.x , < 1.42.7
(semver)
Affected: 1.43.x , < 1.43.2 (semver) |
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CVE-2025-53480 (GCVE-0-2025-53480)
Vulnerability from nvd – Published: 2025-07-08 14:58 – Updated: 2025-07-08 20:44
VLAI?
Title
CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate (Account information tab) via unsanitized i18n messages
Summary
The CheckUser extension’s Special:Investigate page has a vulnerability in the Account information tab, where specific internationalized messages are rendered without proper escaping. Attackers can exploit this by appending ?uselang=x-xss to the URL, causing reflected XSS when the UI renders affected message keys.
This issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Severity ?
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - CheckUser extension |
Affected:
1.39.x , < 1.39.13
(semver)
Affected: 1.42.x , < 1.42.7 (semver) Affected: 1.43.x , < 1.43.2 (semver) |
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CVE-2025-53478 (GCVE-0-2025-53478)
Vulnerability from nvd – Published: 2025-07-07 18:16 – Updated: 2025-07-07 20:49
VLAI?
Title
CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate via unsanitized i18n messages
Summary
The CheckUser extension’s Special:Investigate interface is vulnerable to reflected XSS due to improper escaping of certain internationalized system messages rendered on the “IPs and User agents” tab.
This issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Severity ?
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - CheckUser extension |
Affected:
1.39.x , < 1.39.13
(semver)
Affected: 1.42.x , < 1.42.7 (semver) Affected: 1.43.x , < 1.43.2 (semver) |
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