MediumFix available
mediawiki — security advisory
An issue was discovered in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is XSS in youhavenewmessagesmanyusers and youhavenewmessages i18n messages. This is related to MediaWiki:Youhavenewmessagesfromusers.
- Products
- mediawiki
- Affected versions
- 1:1.39.2-1, 1:1.39.4-1, 1:1.39.4-1~deb12u1, 1:1.39.4-2
- Fixed versions
- 1:1.39.5-1, 1:1.39.5-1~deb12u1
- CVEs
- CVE-2023-45360
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:17 UTC · Revision 1
Source evidence
An issue was discovered in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is XSS in youhavenewmessagesmanyusers and youhavenewmessages i18n messages. This is related to MediaWiki:Youhavenewmessagesfromusers.
osv:DEBIAN-CVE-2023-45360
mediawiki
Fixed versions: 1:1.39.5-1~deb12u1
mediawiki
Fixed versions: 1:1.39.5-1
mediawiki
Fixed versions: 1:1.39.5-1
Complete source record
{
"id": "bed734ae1a4834ecb3e3ce56b10f0f20d1d42514228d989c80d5c76560325652",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-45360",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-45360",
"summary": "An issue was discovered in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is XSS in youhavenewmessagesmanyusers and youhavenewmessages i18n messages. This is related to MediaWiki:Youhavenewmessagesfromusers.",
"evidence": "osv:DEBIAN-CVE-2023-45360",
"products": [
{
"name": {
"value": "mediawiki",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.39.5-1~deb12u1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "1:1.39.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.39.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.39.4-1~deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.39.4-2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "mediawiki",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.39.5-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mediawiki",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.39.5-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-45360",
"aliases": [
"DEBIAN-CVE-2023-45360"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.39.5-1~deb12u1"
}
]
}
],
"package": {
"name": "mediawiki",
"purl": "pkg:deb/debian/mediawiki?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1:1.39.2-1",
"1:1.39.4-1",
"1:1.39.4-1~deb12u1",
"1:1.39.4-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-45360.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.39.5-1"
}
]
}
],
"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-2023-45360.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.39.5-1"
}
]
}
],
"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-2023-45360.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:58.327700856Z",
"provider": "osv",
"upstream": [
"CVE-2023-45360"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-45360"
]
},
"related_cves": [
{
"value": "CVE-2023-45360",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 457274,
"published_at": "2023-11-03T05:15:30.73+00:00"
}