Payload: Uploaded XML files could execute same-origin JavaScript
### Impact Under certain local upload configurations, an uploaded XML file and stylesheet could execute JavaScript in the Payload origin when a logged-in user opens the file. You are affected if: - You accept XML uploads (accepted by default). ### Patches Users should upgrade Payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`. ### Workarounds Disallow XML/XSL uploads.
- Products
- payload
- Affected versions
- Not specified
- Fixed versions
- 3.90.0, 4.0.0-canary.34
- CVEs
- CVE-2026-105868
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 08:48 UTC · Revision 1
Source evidence
Payload: Uploaded XML files could execute same-origin JavaScript
core-osv · Original sourcePublished 7 Oct 2026, 20:28 UTC
### Impact Under certain local upload configurations, an uploaded XML file and stylesheet could execute JavaScript in the Payload origin when a logged-in user opens the file. You are affected if: - You accept XML uploads (accepted by default). ### Patches Users should upgrade Payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`. ### Workarounds Disallow XML/XSL uploads.
osv:GHSA-9qpg-3cf8-w33x
payload
Fixed versions: 3.90.0
payload
Fixed versions: 4.0.0-canary.34
Complete source record
{
"id": "fe02ddb4eeaccdd9b90486987e2fdf772595ed3d55a0c5242ad14ba23b23f4c6",
"url": "https://osv.dev/vulnerability/GHSA-9qpg-3cf8-w33x",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Payload: Uploaded XML files could execute same-origin JavaScript",
"summary": "### Impact Under certain local upload configurations, an uploaded XML file and stylesheet could execute JavaScript in the Payload origin when a logged-in user opens the file. You are affected if: - You accept XML uploads (accepted by default). ### Patches Users should upgrade Payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`. ### Workarounds Disallow XML/XSL uploads.",
"evidence": "osv:GHSA-9qpg-3cf8-w33x",
"products": [
{
"name": {
"value": "payload",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.90.0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "payload",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.0.0-canary.34",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "GHSA-9qpg-3cf8-w33x",
"aliases": [
"CVE-2026-105868",
"GHSA-9qpg-3cf8-w33x"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.90.0"
}
]
}
],
"package": {
"name": "payload",
"purl": "pkg:npm/payload",
"ecosystem": "npm"
},
"database_specific": {
"source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-9qpg-3cf8-w33x/GHSA-9qpg-3cf8-w33x.json"
}
},
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "4.0.0-canary.0"
},
{
"fixed": "4.0.0-canary.34"
}
]
}
],
"package": {
"name": "payload",
"purl": "pkg:npm/payload",
"ecosystem": "npm"
},
"database_specific": {
"source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-9qpg-3cf8-w33x/GHSA-9qpg-3cf8-w33x.json"
}
}
],
"modified": "2026-10-07T20:45:04.340988934Z",
"provider": "osv",
"references": [
"https://github.com/payloadcms/payload/security/advisories/GHSA-9qpg-3cf8-w33x",
"https://nvd.nist.gov/vuln/detail/CVE-2026-105868",
"https://github.com/payloadcms/payload/commit/a8c3a8e8e2680c96ec4f66f5b3854c5df6c35adf",
"https://github.com/payloadcms/payload",
"https://github.com/payloadcms/payload/releases/tag/v3.90.0"
],
"provider_metadata": {
"cwe_ids": [
"CWE-434"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2026-10-06T17:17:23Z",
"github_reviewed_at": "2026-10-07T20:28:53Z"
}
},
"related_cves": [
{
"value": "CVE-2026-105868",
"evidence": "/aliases"
}
],
"security_relevant": true,
"severity_evidence": "/database_specific/severity"
},
"source_id": "core-osv",
"document_id": 97259,
"published_at": "2026-10-07T20:28:53+00:00"
}