High
Security advisory
Flowise before 3.0.5 allows XSS via an IFRAME element when an admin views the chat log.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-50538
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 01:08 UTC · Revision 1
Source evidence
Flowise before 3.0.5 allows XSS via an IFRAME element when an admin views the chat log.
osv:CVE-2025-50538
Complete source record
{
"id": "52437ea788f882469a0cfb5ff937ff9a9c6997b4029463ef45c63554fb5dbfb8",
"url": "https://osv.dev/vulnerability/CVE-2025-50538",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2025-50538",
"summary": "Flowise before 3.0.5 allows XSS via an IFRAME element when an admin views the chat log.",
"evidence": "osv:CVE-2025-50538",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-50538",
"aliases": [
"CVE-2025-50538",
"GHSA-964p-j4gg-mhwc"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/flowiseai/flowise",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "ba6a602cbe87d9f55c9ee6aebb6407ec2f2066b5"
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],
"database_specific": {
"extracted_events": [
{
"range": [
{
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},
{
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"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
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"source": "REFERENCES_TAG",
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{
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"range": [
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"source": "CPE_RANGE"
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-50538.json"
}
}
],
"modified": "2026-10-28T02:30:24.929162877Z",
"provider": "osv",
"references": [
"https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.0.5",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50538.json",
"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-964p-j4gg-mhwc",
"https://nvd.nist.gov/vuln/detail/CVE-2025-50538",
"https://github.com/FlowiseAI/Flowise/pull/4905"
],
"provider_metadata": {
"cwe_ids": [
"CWE-79"
],
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50538.json"
}
},
"related_cves": [
{
"value": "CVE-2025-50538",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 491441,
"published_at": "2025-10-06T00:00:00+00:00"
}