MediumFix available
mediawiki — security advisory
Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki before 1.18.5 and 1.19.x before 1.19.2, when unspecified JavaScript gadgets are used, allow remote attackers to inject arbitrary web script or HTML via the userlang parameter to w/index.php.
- Products
- mediawiki
- Affected versions
- Not specified
- Fixed versions
- 1:1.19.2-1
- CVEs
- CVE-2012-4378
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:02 UTC · Revision 1
Source evidence
Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki before 1.18.5 and 1.19.x before 1.19.2, when unspecified JavaScript gadgets are used, allow remote attackers to inject arbitrary web script or HTML via the userlang parameter to w/index.php.
osv:DEBIAN-CVE-2012-4378
mediawiki
Fixed versions: 1:1.19.2-1
mediawiki
Fixed versions: 1:1.19.2-1
mediawiki
Fixed versions: 1:1.19.2-1
Complete source record
{
"id": "769321ebe0933547d9b0fafe7791d8e5dde1bc560689e41d6288650bdc556d44",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2012-4378",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2012-4378",
"summary": "Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki before 1.18.5 and 1.19.x before 1.19.2, when unspecified JavaScript gadgets are used, allow remote attackers to inject arbitrary web script or HTML via the userlang parameter to w/index.php.",
"evidence": "osv:DEBIAN-CVE-2012-4378",
"products": [
{
"name": {
"value": "mediawiki",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.19.2-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mediawiki",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.19.2-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mediawiki",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.19.2-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2012-4378",
"aliases": [
"DEBIAN-CVE-2012-4378"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.19.2-1"
}
]
}
],
"package": {
"name": "mediawiki",
"purl": "pkg:deb/debian/mediawiki?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-4378.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.19.2-1"
}
]
}
],
"package": {
"name": "mediawiki",
"purl": "pkg:deb/debian/mediawiki?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-4378.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.19.2-1"
}
]
}
],
"package": {
"name": "mediawiki",
"purl": "pkg:deb/debian/mediawiki?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-4378.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:02:53.058572180Z",
"provider": "osv",
"upstream": [
"CVE-2012-4378"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2012-4378"
]
},
"related_cves": [
{
"value": "CVE-2012-4378",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 419778,
"published_at": "2017-10-26T20:29:00.327+00:00"
}