Wikimedia CheckUser CheckUserUserInfoCardService.Php information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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2.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Wikimedia CheckUser. The impacted element is an unknown function of the file src/Services/CheckUserUserInfoCardService.Php. The manipulation results in information disclosure. This vulnerability is reported as CVE-2025-61649. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Wikimedia CheckUser (version unknown). Affected is an unknown function of the file src/Services/CheckUserUserInfoCardService.Php. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php. This issue affects CheckUser: from 7cedd58781d261f110651b6af4f41d2d11ae7309.

The advisory is shared for download at phabricator.wikimedia.org. This vulnerability is traded as CVE-2025-61649 since 09/29/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

By approaching the search of inurl:src/Services/CheckUserUserInfoCardService.Php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202602-523) and EUVD (EUVD-2025-206641). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.7
VulDB Meta Temp Score: 2.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/29/2025 CVE reserved
02/03/2026 +127 days Advisory disclosed
02/03/2026 +0 days VulDB entry created
03/03/2026 +28 days VulDB entry last update

Sourcesinfo

Advisory: phabricator.wikimedia.org
Status: Confirmed

CVE: CVE-2025-61649 (🔒)
GCVE (CVE): GCVE-0-2025-61649
GCVE (VulDB): GCVE-100-343812
EUVD: 🔒
CNNVD: CNNVD-202602-523 - Wikimedia CheckUser 安全漏洞

Entryinfo

Created: 02/03/2026 07:38
Updated: 03/03/2026 18:05
Changes: 02/03/2026 07:38 (66), 02/04/2026 08:46 (1), 02/04/2026 11:30 (1), 02/04/2026 19:59 (6), 03/03/2026 18:05 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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