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14 vulnerabilities found for CheckUser by Wikimedia Foundation

CVE-2025-67478 (GCVE-0-2025-67478)

Vulnerability from nvd – Published: 2026-02-03 01:14 – Updated: 2026-03-02 17:43
VLAI?
Title
Wrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"
Summary
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files includes/Mail/UserMailer.Php. This issue affects CheckUser: from * before 1.39.14, 1.43.4, 1.44.1.
Severity ?
0 (None)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CWE
Assigner
References
Impacted products
Vendor Product Version
Wikimedia Foundation CheckUser Affected: * , < 1.39.14, 1.43.4, 1.44.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61658 (GCVE-0-2025-61658)

Vulnerability from nvd – Published: 2026-02-03 00:59 – Updated: 2026-03-03 15:45
VLAI?
Title
Special:GlobalContributions shows edits on wikis the viewer doesn't have access to
Summary
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/GlobalContributions/GlobalContributionsPager.Php. This issue affects CheckUser: from * before 1.43.4, 1.44.1.
Severity ?
1.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version
Wikimedia Foundation CheckUser Affected: * , < 1.43.4, 1.44.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61651 (GCVE-0-2025-61651)

Vulnerability from nvd – Published: 2026-02-03 00:53 – Updated: 2026-02-03 21:08
VLAI?
Title
i18n XSS through Special:CheckUser CheckUser helper
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files modules/ext.CheckUser/checkuser/checkUserHelper/buildUserElement.Js. This issue affects CheckUser: from * before 1.44.1.
Severity ?
0 (None)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
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 CheckUser Affected: * , < 1.44.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61649 (GCVE-0-2025-61649)

Vulnerability from nvd – Published: 2026-02-03 00:17 – Updated: 2026-03-03 15:46
VLAI?
Title
UserInfoCard: Check that performing user has permission to view log entries for number of past blocks
Summary
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php. This issue affects CheckUser: from 7cedd58781d261f110651b6af4f41d2d11ae7309.
Severity ?
1.1 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version
Wikimedia Foundation CheckUser Affected: 7cedd58781d261f110651b6af4f41d2d11ae7309 , < * (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61648 (GCVE-0-2025-61648)

Vulnerability from nvd – Published: 2026-02-03 00:19 – Updated: 2026-02-03 21:06
VLAI?
Title
Stored XSS through system messages in CheckUser
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files modules/ext.CheckUser.TempAccounts/components/ShowIPButton.Vue, modules/ext.CheckUser.TempAccounts/SpecialBlock.Js. This issue affects CheckUser: from * before 1.44.1.
Severity ?
0 (None)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
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 CheckUser Affected: * , < 1.44.1 (semver)
Create a notification for this product.
Show details on NVD website
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CVE-2025-61647 (GCVE-0-2025-61647)

Vulnerability from nvd – Published: 2026-02-03 00:02 – Updated: 2026-03-03 15:41
VLAI?
Title
UserInfoCard: Don't allow access to information about users who are suppressed if you don't have suppressor rights
Summary
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Api/Rest/Handler/UserInfoHandler.Php. This issue affects CheckUser: from a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4.
Severity ?
0.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version
Wikimedia Foundation CheckUser Affected: a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4 , < * (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61650 (GCVE-0-2025-61650)

Vulnerability from nvd – Published: 2026-02-03 00:15 – Updated: 2026-02-03 21:06
VLAI?
Title
UserInfoCard is vulnerable to message key stored XSS
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php. This issue affects CheckUser: from * before 795bf333272206a0189050d975e94b70eb7dc507.
Severity ?
1.1 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
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 CheckUser Affected: * , < 795bf333272206a0189050d975e94b70eb7dc507 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-67478 (GCVE-0-2025-67478)

Vulnerability from cvelistv5 – Published: 2026-02-03 01:14 – Updated: 2026-03-02 17:43
VLAI?
Title
Wrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"
Summary
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files includes/Mail/UserMailer.Php. This issue affects CheckUser: from * before 1.39.14, 1.43.4, 1.44.1.
Severity ?
0 (None)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CWE
Assigner
References
Impacted products
Vendor Product Version
Wikimedia Foundation CheckUser Affected: * , < 1.39.14, 1.43.4, 1.44.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61658 (GCVE-0-2025-61658)

Vulnerability from cvelistv5 – Published: 2026-02-03 00:59 – Updated: 2026-03-03 15:45
VLAI?
Title
Special:GlobalContributions shows edits on wikis the viewer doesn't have access to
Summary
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/GlobalContributions/GlobalContributionsPager.Php. This issue affects CheckUser: from * before 1.43.4, 1.44.1.
Severity ?
1.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version
Wikimedia Foundation CheckUser Affected: * , < 1.43.4, 1.44.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61651 (GCVE-0-2025-61651)

Vulnerability from cvelistv5 – Published: 2026-02-03 00:53 – Updated: 2026-02-03 21:08
VLAI?
Title
i18n XSS through Special:CheckUser CheckUser helper
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files modules/ext.CheckUser/checkuser/checkUserHelper/buildUserElement.Js. This issue affects CheckUser: from * before 1.44.1.
Severity ?
0 (None)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
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 CheckUser Affected: * , < 1.44.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61648 (GCVE-0-2025-61648)

Vulnerability from cvelistv5 – Published: 2026-02-03 00:19 – Updated: 2026-02-03 21:06
VLAI?
Title
Stored XSS through system messages in CheckUser
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files modules/ext.CheckUser.TempAccounts/components/ShowIPButton.Vue, modules/ext.CheckUser.TempAccounts/SpecialBlock.Js. This issue affects CheckUser: from * before 1.44.1.
Severity ?
0 (None)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
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 CheckUser Affected: * , < 1.44.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61649 (GCVE-0-2025-61649)

Vulnerability from cvelistv5 – Published: 2026-02-03 00:17 – Updated: 2026-03-03 15:46
VLAI?
Title
UserInfoCard: Check that performing user has permission to view log entries for number of past blocks
Summary
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php. This issue affects CheckUser: from 7cedd58781d261f110651b6af4f41d2d11ae7309.
Severity ?
1.1 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version
Wikimedia Foundation CheckUser Affected: 7cedd58781d261f110651b6af4f41d2d11ae7309 , < * (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61650 (GCVE-0-2025-61650)

Vulnerability from cvelistv5 – Published: 2026-02-03 00:15 – Updated: 2026-02-03 21:06
VLAI?
Title
UserInfoCard is vulnerable to message key stored XSS
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php. This issue affects CheckUser: from * before 795bf333272206a0189050d975e94b70eb7dc507.
Severity ?
1.1 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
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 CheckUser Affected: * , < 795bf333272206a0189050d975e94b70eb7dc507 (semver)
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Show details on NVD website
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CVE-2025-61647 (GCVE-0-2025-61647)

Vulnerability from cvelistv5 – Published: 2026-02-03 00:02 – Updated: 2026-03-03 15:41
VLAI?
Title
UserInfoCard: Don't allow access to information about users who are suppressed if you don't have suppressor rights
Summary
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Api/Rest/Handler/UserInfoHandler.Php. This issue affects CheckUser: from a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4.
Severity ?
0.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version
Wikimedia Foundation CheckUser Affected: a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4 , < * (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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