High
@payloadcms/next has Stored XSS in Admin Panel
Type: advisorySources: OSV
Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/next, a stored Cross-Site Scripting (XSS) vulnerability existed in the admin panel. An authenticated user with write access to a collection could save content that, when viewed by another user, would execute in their browser. This issue has been patched in version 3.78.0.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-34748
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 04:06 UTC · Revision 1
Source evidence
@payloadcms/next has Stored XSS in Admin Panel
core-osv · Original sourcePublished 1 Apr 2026, 19:48 UTC
Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/next, a stored Cross-Site Scripting (XSS) vulnerability existed in the admin panel. An authenticated user with write access to a collection could save content that, when viewed by another user, would execute in their browser. This issue has been patched in version 3.78.0.
osv:CVE-2026-34748
Complete source record
{
"id": "3d6632f33fd7070612a1c59e7cae9d3d1beb8ead8b73f5c9de29d7741bd63c6a",
"url": "https://osv.dev/vulnerability/CVE-2026-34748",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "@payloadcms/next has Stored XSS in Admin Panel",
"summary": "Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/next, a stored Cross-Site Scripting (XSS) vulnerability existed in the admin panel. An authenticated user with write access to a collection could save content that, when viewed by another user, would execute in their browser. This issue has been patched in version 3.78.0.",
"evidence": "osv:CVE-2026-34748",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-34748",
"aliases": [
"CVE-2026-34748",
"GHSA-mmxc-95ch-2j7c"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/payloadcms/payload",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "05e818e3d19f289031e4edc4cfd8d09e166247af"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "3.78.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"cpe": "cpe:2.3:a:payloadcms:payload:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.78.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34748.json"
}
}
],
"modified": "2026-10-28T02:30:25.687637117Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34748.json",
"https://github.com/payloadcms/payload/security/advisories/GHSA-mmxc-95ch-2j7c",
"https://nvd.nist.gov/vuln/detail/CVE-2026-34748"
],
"provider_metadata": {
"cwe_ids": [
"CWE-79"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34748.json"
}
},
"related_cves": [
{
"value": "CVE-2026-34748",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 492396,
"published_at": "2026-04-01T19:48:10.297+00:00"
}