Medium
mediawiki — security advisory
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
- Products
- mediawiki
- Affected versions
- 1:1.27.3-1, 1:1.27.4-1, 1:1.27.4-2, 1:1.27.4-3, 1:1.31.2-1ubuntu1, 1:1.31.5-1, 1:1.31.5-1ubuntu1, 1:1.31.5-2, 1:1.31.5-3, 1:1.31.5-3ubuntu1, 1:1.31.6-1, 1:1.31.7-1, 1:1.31.7-1ubuntu0.1~esm1, 1:1.35.3-1, 1:1.35.4-1, 1:1.35.5-1, 1:1.35.5-1ubuntu1, 1:1.35.5-1ubuntu2, 1:1.35.5-1ubuntu3, 1:1.35.6-1, 1:1.35.6-1ubuntu0.1~esm1, 1:1.39.4-2, 1:1.39.5-1, 1:1.39.6-1, 1:1.39.7-1, 1:1.39.7-1ubuntu0.1~esm1, 1:1.43.1+dfsg-1, 1:1.43.1+dfsg-2, 1:1.43.3+dfsg-1, 1:1.43.5+dfsg-1, 1:1.43.6+dfsg-2, 1:1.43.8+dfsg-1, 1:1.43.8+dfsg-2, 1:1.43.9+dfsg-1, 1:1.43.9+dfsg-1ubuntu1
- Fixed versions
- Not specified
- CVEs
- CVE-2025-61639
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:44 UTC · Revision 1
Source evidence
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
osv:UBUNTU-CVE-2025-61639
mediawiki
Fixed versions: Not specified
mediawiki
Fixed versions: Not specified
mediawiki
Fixed versions: Not specified
mediawiki
Fixed versions: Not specified
mediawiki
Fixed versions: Not specified
mediawiki
Fixed versions: Not specified
mediawiki
Fixed versions: Not specified
Complete source record
{
"id": "a0a8bffb45aef0cb09e43455cde0262dd70e18b9516025fc357dab4e6b75dcdb",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-61639",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2025-61639",
"summary": "Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.",
"evidence": "osv:UBUNTU-CVE-2025-61639",
"products": [
{
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},
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"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"evidence": "/affected/4/versions"
},
{
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"evidence": "/affected/4/versions"
},
{
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{
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"evidence": "/affected/5/package/name"
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"evidence": "/affected/5/versions"
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{
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{
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}
]
},
{
"name": {
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"evidence": "/affected/6/package/name"
},
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"affected_versions": [
{
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"evidence": "/affected/6/versions"
},
{
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"evidence": "/affected/6/versions"
},
{
"value": "1:1.43.6+dfsg-2",
"evidence": "/affected/6/versions"
},
{
"value": "1:1.43.8+dfsg-1",
"evidence": "/affected/6/versions"
},
{
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"evidence": "/affected/6/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2025-61639",
"aliases": [
"UBUNTU-CVE-2025-61639"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mediawiki",
"purl": "pkg:deb/ubuntu/mediawiki?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
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"1:1.27.4-1",
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"1:1.31.6-1",
"1:1.31.7-1",
"1:1.31.7-1ubuntu0.1~esm1"
],
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},
"versions": [
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"1:1.43.5+dfsg-1",
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"database_specific": {
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},
"ecosystem_specific": {
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{
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"binary_version": "1:1.43.8+dfsg-2"
},
{
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]
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}
],
"modified": "2026-10-17T12:57:22.074249164Z",
"provider": "osv",
"upstream": [
"CVE-2025-61639"
],
"references": [
"https://ubuntu.com/security/CVE-2025-61639",
"https://www.cve.org/CVERecord?id=CVE-2025-61639",
"https://phabricator.wikimedia.org/T280413",
"https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1193178"
]
},
"related_cves": [
{
"value": "CVE-2025-61639",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 357343,
"published_at": "2026-02-03T00:16:00+00:00"
}