Critical
Security advisory
In Factor (App Framework & Headless CMS) v1.0.4 to v1.8.30, improperly invalidate a user’s session even after the user logs out of the application. In addition, user sessions are stored in the browser’s local storage, which by default does not have an expiration time. This makes it possible for an attacker to steal and reuse the cookies using techniques such as XSS attacks, followed by a local account takeover.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-25985
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:15 UTC · Revision 1
Source evidence
In Factor (App Framework & Headless CMS) v1.0.4 to v1.8.30, improperly invalidate a user’s session even after the user logs out of the application. In addition, user sessions are stored in the browser’s local storage, which by default does not have an expiration time. This makes it possible for an attacker to steal and reuse the cookies using techniques such as XSS attacks, followed by a local account takeover.
osv:CVE-2021-25985
Complete source record
{
"id": "e256e399c0f1c6426e841b522a394e36d808d0bd8b6f5cbf71f8a48acaf3bff7",
"url": "https://osv.dev/vulnerability/CVE-2021-25985",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-25985",
"summary": "In Factor (App Framework & Headless CMS) v1.0.4 to v1.8.30, improperly invalidate a user’s session even after the user logs out of the application. In addition, user sessions are stored in the browser’s local storage, which by default does not have an expiration time. This makes it possible for an attacker to steal and reuse the cookies using techniques such as XSS attacks, followed by a local account takeover.",
"evidence": "osv:CVE-2021-25985",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2021-25985",
"aliases": [
"CVE-2021-25985"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/fictionco/fiction",
"type": "GIT",
"events": [
{
"introduced": "b97bcc6db0c0ecd030b571088bbcb530ca90591a"
},
{
"last_affected": "ff33a72ef8106e8ab60ef933f4b72e1f359d5d7c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:darwin:factor:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "1.0.4"
},
{
"last_affected": "1.8.30"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25985.json"
}
}
],
"modified": "2026-10-20T10:53:40.970702179Z",
"provider": "osv",
"references": [
"https://github.com/FactorJS/factor/blob/v1.8.30/%40factor/user/util.ts#L65",
"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25985"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-25985",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384494,
"published_at": "2021-11-16T10:15:07.167+00:00"
}