CVE-2026-105868CWE-434unrestricted-file-upload

CVE-2026-105868

High · published October 6, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
5.8
In the wild
Unconfirmed
What it is

Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, local upload configurations that accept XML files can store an XML file and stylesheet that execute JavaScript in the Payload origin when a logged-in user opens the file. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS v4.0
8.6 · 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
EPSS
0.00168 · 5.8th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-10-06T21:17Z
Affected products (35)
ProductVersionsFixed in
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payload< 3.90.03.90.0
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
payloadcms/payloadall versions—
References (3)
https://github.com/payloadcms/payload/commit/a8c3a8e8e2680c96ec4f66f5b3854c5df6c35adf · [email protected]https://github.com/payloadcms/payload/releases/tag/v3.90.0 · [email protected]https://github.com/payloadcms/payload/security/advisories/GHSA-9qpg-3cf8-w33x · [email protected]
EPSS history
Timeline
  • 08 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 06 OCT 16:51Z
    Payload: Uploaded XML files could execute same-origin JavaScript
    cvelistv5