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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2025-53478",
"assignerOrgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
"state": "PUBLISHED",
"assignerShortName": "wikimedia-foundation",
"dateReserved": "2025-06-30T15:20:44.461Z",
"datePublished": "2025-07-07T18:16:33.919Z",
"dateUpdated": "2025-07-07T20:49:34.393Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Mediawiki - CheckUser extension",
"vendor": "Wikimedia Foundation",
"versions": [
{
"lessThan": "1.39.13",
"status": "affected",
"version": "1.39.x",
"versionType": "semver"
},
{
"lessThan": "1.42.7",
"status": "affected",
"version": "1.42.x",
"versionType": "semver"
},
{
"lessThan": "1.43.2",
"status": "affected",
"version": "1.43.x",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>The CheckUser extension’s Special:Investigate interface is vulnerable to <b>reflected XSS</b> due to improper escaping of certain internationalized system messages rendered on the “IPs and User agents” tab.</p>\n\n\n<p>This issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.</p>"
}
],
"value": "The CheckUser extension’s Special:Investigate interface is vulnerable to reflected XSS due to improper escaping of certain internationalized system messages rendered on the “IPs and User agents” tab.\n\n\n\n\nThis issue affects Mediawiki - CheckUser extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2."
}
],
"impacts": [
{
"capecId": "CAPEC-591",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-591 Reflected XSS"
}
]
}
],
"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": "2025-07-07T18:16:33.919Z"
},
"references": [
{
"url": "https://phabricator.wikimedia.org/T394692"
},
{
"url": "https://gerrit.wikimedia.org/r/q/I3a1e21b6800ff4d813a33ee9fe9b7ccf070b6b2e"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate via unsanitized i18n messages",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
},
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-07-07T20:49:04.401865Z",
"id": "CVE-2025-53478",
"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": "2025-07-07T20:49:34.393Z"
}
}
]
}
}