{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-61648","assignerOrgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","state":"PUBLISHED","assignerShortName":"wikimedia-foundation","dateReserved":"2025-09-29T13:18:40.093Z","datePublished":"2026-02-03T00:19:43.150Z","dateUpdated":"2026-02-03T21:06:55.920Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"CheckUser","programFiles":["modules/ext.checkUser.tempAccounts/components/ShowIPButton.vue","modules/ext.checkUser.tempAccounts/SpecialBlock.js"],"repo":"https://gerrit.wikimedia.org/g/mediawiki/extensions/CheckUser/+/refs/heads/master","vendor":"Wikimedia Foundation","versions":[{"lessThan":"1.44.1","status":"affected","version":"*","versionType":"semver"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser.<p> This vulnerability is associated with program files <tt>modules/ext.CheckUser.TempAccounts/components/ShowIPButton.Vue</tt>, <tt>modules/ext.CheckUser.TempAccounts/SpecialBlock.Js</tt>.</p><p>This issue affects CheckUser: from * before 1.44.1.</p>"}],"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.TempAccounts/components/ShowIPButton.Vue, modules/ext.CheckUser.TempAccounts/SpecialBlock.Js.\n\nThis issue affects CheckUser: from * before 1.44.1."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":0,"baseSeverity":"NONE","exploitMaturity":"UNREPORTED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","shortName":"wikimedia-foundation","dateUpdated":"2026-02-03T00:19:43.150Z"},"references":[{"url":"https://phabricator.wikimedia.org/T402077"}],"source":{"discovery":"UNKNOWN"},"title":"Stored XSS through system messages in CheckUser","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-03T21:06:43.285101Z","id":"CVE-2025-61648","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-03T21:06:55.920Z"}}]}}