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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-105868US | high7.1 | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/payloadcms/payloadPACKAGE
- https://github.com/payloadcms/payload/commit/a8c3a8e8e2680c96ec4f66f5b3854c5df6c35adfWEB
- https://github.com/payloadcms/payload/releases/tag/v3.90.0WEB
- https://github.com/payloadcms/payload/security/advisories/GHSA-9qpg-3cf8-w33xWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-105868ADVISORY
scry
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