All vulnerabilities
CVE-2026-105868GHSA-9qpg-3cf8-w33x

Payload: Uploaded XML files could execute same-origin JavaScript

payloadcms payloadnpmLibraries & packages
Open in ThreatlineRecord JSON
CVSS
8.6High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 5% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.90.0Also 4.0.0-canary.34GitHub
Published6 Oct 2026Updated 9 Oct 2026CVE List

What fixes it

  • 3.90.0payload, npmGitHubnpm install payload@3.90.0
  • 4.0.0-canary.34payload, npmGitHubnpm install payload@4.0.0-canary.34

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

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.

Text from GitHub Advisory Database

Affected versions 6

  • payload, npm< 3.90.0GitHub
  • payload, npm>= 4.0.0-canary.0, < 4.0.0-canary.34GitHub
  • payloadaffected: < 3.90.0CVE List
  • payloadaffected: >= 4.0.0-canary.0, < 4.0.0-canary.34CVE List
  • payload, npmfrom first release, fixed in 3.90.0OSV
  • payload, npmfrom 4.0.0-canary.0, fixed in 4.0.0-canary.34OSV

References 5