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OpenAdvisories
High · 8.6 CVE-2026-105868 EUVD-2026-93514GHSA-9qpg-3cf8-w33x

Payload: Uploaded XML files could execute same-origin JavaScript

Published Oct 6, 2026 · Updated Oct 9, 2026 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
payloadcms payload < 3.90.0, >= 4.0.0-canary.0, < 4.0.0-canary.34 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm payload < 3.90.0 3.90.0 GHSA-9qpg-3cf8-w33x
npm payload >= 4.0.0-canary.0, < 4.0.0-canary.34 4.0.0-canary.34 GHSA-9qpg-3cf8-w33x

References