Medium
seafile — security advisory
Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.
- Products
- seafile
- Affected versions
- 6.0.7-1build1, 6.1.1-1, 6.1.3-1, 6.1.4-1, 6.1.5-1, 6.2.11-1, 6.2.11-1build1, 7.0.10-1, 7.0.2-1, 7.0.4-2, 7.0.4-4, 7.0.5-1, 7.0.5-2, 7.0.6-1, 8.0.4-1, 8.0.5-1, 9.0.12-2, 9.0.13-1, 9.0.15-1, 9.0.16-1, 9.0.18-2, 9.0.20-1, 9.0.3-1, 9.0.4-1, 9.0.4-1.1build2, 9.0.4-1.1build3
- Fixed versions
- Not specified
- CVEs
- CVE-2025-45091
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:32 UTC · Revision 1
Source evidence
Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.
osv:UBUNTU-CVE-2025-45091
seafile
Fixed versions: Not specified
seafile
Fixed versions: Not specified
seafile
Fixed versions: Not specified
seafile
Fixed versions: Not specified
seafile
Fixed versions: Not specified
seafile
Fixed versions: Not specified
seafile
Fixed versions: Not specified
Complete source record
{
"id": "fb966a56e1586b5510bfee4e96156529881babbe235da894f30102e2f4140163",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-45091",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2025-45091",
"summary": "Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.",
"evidence": "osv:UBUNTU-CVE-2025-45091",
"products": [
{
"name": {
"value": "seafile",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "6.0.7-1build1",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.4-1",
"evidence": "/affected/0/versions"
},
{
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"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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},
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{
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{
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"evidence": "/affected/1/versions"
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{
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"evidence": "/affected/1/versions"
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{
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{
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"evidence": "/affected/1/versions"
},
{
"value": "7.0.5-1",
"evidence": "/affected/1/versions"
},
{
"value": "7.0.5-2",
"evidence": "/affected/1/versions"
},
{
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"evidence": "/affected/1/versions"
}
]
},
{
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"evidence": "/affected/2/package/name"
},
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{
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"evidence": "/affected/2/versions"
},
{
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"evidence": "/affected/2/versions"
},
{
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"evidence": "/affected/2/versions"
}
]
},
{
"name": {
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},
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"affected_versions": [
{
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"evidence": "/affected/3/versions"
},
{
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"evidence": "/affected/3/versions"
},
{
"value": "9.0.4-1.1build2",
"evidence": "/affected/3/versions"
},
{
"value": "9.0.4-1.1build3",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
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"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "9.0.12-2",
"evidence": "/affected/4/versions"
},
{
"value": "9.0.13-1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "seafile",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "9.0.16-1",
"evidence": "/affected/5/versions"
},
{
"value": "9.0.18-2",
"evidence": "/affected/5/versions"
},
{
"value": "9.0.20-1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "seafile",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "9.0.13-1",
"evidence": "/affected/6/versions"
},
{
"value": "9.0.15-1",
"evidence": "/affected/6/versions"
},
{
"value": "9.0.16-1",
"evidence": "/affected/6/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2025-45091",
"aliases": [
"UBUNTU-CVE-2025-45091"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "seafile",
"purl": "pkg:deb/ubuntu/seafile?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"6.0.7-1build1",
"6.1.1-1",
"6.1.3-1",
"6.1.4-1",
"6.1.5-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45091.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libseafile0",
"binary_version": "6.1.5-1"
},
{
"binary_name": "seafile-cli",
"binary_version": "6.1.5-1"
},
{
"binary_name": "seafile-daemon",
"binary_version": "6.1.5-1"
}
]
}
},
{
"ranges": [
{
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"events": [
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}
],
"package": {
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"purl": "pkg:deb/ubuntu/seafile?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"6.2.11-1",
"6.2.11-1build1",
"7.0.2-1",
"7.0.4-2",
"7.0.4-4",
"7.0.5-1",
"7.0.5-2",
"7.0.6-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45091.json"
},
"ecosystem_specific": {
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{
"binary_name": "libseafile0",
"binary_version": "7.0.6-1"
},
{
"binary_name": "python3-seafile",
"binary_version": "7.0.6-1"
},
{
"binary_name": "seafile-cli",
"binary_version": "7.0.6-1"
},
{
"binary_name": "seafile-daemon",
"binary_version": "7.0.6-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
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"purl": "pkg:deb/ubuntu/seafile?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"7.0.10-1",
"8.0.4-1",
"8.0.5-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45091.json"
},
"ecosystem_specific": {
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{
"binary_name": "libseafile0",
"binary_version": "8.0.5-1"
},
{
"binary_name": "python3-seafile",
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},
{
"binary_name": "seafile-cli",
"binary_version": "8.0.5-1"
},
{
"binary_name": "seafile-daemon",
"binary_version": "8.0.5-1"
}
]
}
},
{
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{
"type": "ECOSYSTEM",
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}
]
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],
"package": {
"name": "seafile",
"purl": "pkg:deb/ubuntu/seafile?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"9.0.3-1",
"9.0.4-1",
"9.0.4-1.1build2",
"9.0.4-1.1build3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-45091.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libseafile0t64",
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},
{
"binary_name": "python3-seafile",
"binary_version": "9.0.4-1.1build3"
},
{
"binary_name": "seafile-cli",
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},
{
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}
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}
},
{
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},
{
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},
"versions": [
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"database_specific": {
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},
"ecosystem_specific": {
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{
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{
"binary_name": "python3-seafile",
"binary_version": "9.0.16-1"
},
{
"binary_name": "seafile-cli",
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},
{
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}
]
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}
],
"modified": "2026-10-17T12:57:03.714283261Z",
"provider": "osv",
"upstream": [
"CVE-2025-45091"
],
"references": [
"https://ubuntu.com/security/CVE-2025-45091",
"https://www.cve.org/CVERecord?id=CVE-2025-45091",
"https://plus.seafile.com/wiki/publish/seafile-wiki/txzO/"
]
},
"related_cves": [
{
"value": "CVE-2025-45091",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 356685,
"published_at": "2025-09-15T20:15:00+00:00"
}