Search criteria
14 vulnerabilities found for CheckUser by Wikimedia Foundation
CVE-2025-61658 (GCVE-0-2025-61658)
Vulnerability from nvd – Published: 2026-02-03 00:59 – Updated: 2026-02-03 20:59
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 ?
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
* , < 1.43.4, 1.44.1
(semver)
|
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CVE-2025-67478 (GCVE-0-2025-67478)
Vulnerability from nvd – Published: 2026-02-03 01:14 – Updated: 2026-02-03 15:32
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 ?
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
* , < 1.39.14, 1.43.4, 1.44.1
(semver)
|
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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 ?
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)
|
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CVE-2025-61649 (GCVE-0-2025-61649)
Vulnerability from nvd – Published: 2026-02-03 00:17 – Updated: 2026-02-03 21:06
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 ?
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
7cedd58781d261f110651b6af4f41d2d11ae7309 , < *
(semver)
|
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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 ?
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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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 ?
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)
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CVE-2025-61647 (GCVE-0-2025-61647)
Vulnerability from nvd – Published: 2026-02-03 00:02 – Updated: 2026-02-03 21:04
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 ?
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4 , < *
(semver)
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CVE-2025-67478 (GCVE-0-2025-67478)
Vulnerability from cvelistv5 – Published: 2026-02-03 01:14 – Updated: 2026-02-03 15:32
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 ?
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
* , < 1.39.14, 1.43.4, 1.44.1
(semver)
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CVE-2025-61658 (GCVE-0-2025-61658)
Vulnerability from cvelistv5 – Published: 2026-02-03 00:59 – Updated: 2026-02-03 20:59
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 ?
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
* , < 1.43.4, 1.44.1
(semver)
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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 ?
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)
|
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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 ?
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)
|
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CVE-2025-61649 (GCVE-0-2025-61649)
Vulnerability from cvelistv5 – Published: 2026-02-03 00:17 – Updated: 2026-02-03 21:06
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 ?
Assigner
References
Impacted products
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|---|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
7cedd58781d261f110651b6af4f41d2d11ae7309 , < *
(semver)
|
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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 ?
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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CVE-2025-61647 (GCVE-0-2025-61647)
Vulnerability from cvelistv5 – Published: 2026-02-03 00:02 – Updated: 2026-02-03 21:04
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 ?
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4 , < *
(semver)
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"value": "Vulnerability in Wikimedia Foundation CheckUser.\u003cp\u003e This vulnerability is associated with program files \u003ctt\u003esrc/Api/Rest/Handler/UserInfoHandler.Php\u003c/tt\u003e.\u003c/p\u003e\u003cp\u003eThis issue affects CheckUser: from a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4.\u003c/p\u003e"
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"url": "https://phabricator.wikimedia.org/T399093"
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"discovery": "UNKNOWN"
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"title": "UserInfoCard: Don\u0027t allow access to information about users who are suppressed if you don\u0027t have suppressor rights",
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"dateUpdated": "2026-02-03T21:04:17.316Z",
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