MajorCritical vulnerability

CVE-2026-105868 (CVSS 8.6)

NVD · officialPublished Oct 6, 2026Risk 37/100

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.

Technical details

CVSS

8.6

AV:NetworkAC:LowPR:LowUI:Passive

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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