{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T20:51:11.441","vulnerabilities":[{"cve":{"id":"CVE-2025-61651","sourceIdentifier":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","published":"2026-02-03T02:16:07.407","lastModified":"2026-04-09T20:33:09.617","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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.\n\nThis issue affects CheckUser: from * before 1.44.1."},{"lang":"es","value":"Vulnerabilidad de Neutralización Incorrecta de Entrada Durante la Generación de Páginas Web (XSS o 'cross-site scripting') en Wikimedia Foundation CheckUser. Esta vulnerabilidad está asociada con los archivos de programa modules/ext.CheckUser/checkuser/checkUserHelper/buildUserElement.Js.\n\nEste problema afecta a CheckUser: desde * antes de 1.44.1."}],"metrics":{"cvssMetricV40":[{"source":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","type":"Secondary","cvssData":{"version":"4.0","vectorString":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":0.0,"baseSeverity":"NONE","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}]},"weaknesses":[{"source":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mediawiki:checkuser:*:*:*:*:*:mediawiki:*:*","versionEndExcluding":"1.44.1","matchCriteriaId":"7019D72D-8B8B-443A-A043-6C9B05AF5618"}]}]}],"references":[{"url":"https://phabricator.wikimedia.org/T403408","source":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","tags":["Permissions Required"]}]}}]}