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CVE-2026-34748

HIGH CVSS 3.1: 8.7 EPSS 0.04%
Updated Apr 03, 2026
Payload
Parameter Value
CVSS 8.7 (HIGH)
Fixed In 3.78.0
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Payload
Public PoC No

Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/next, a stored Cross-Site Scripting (XSS) vulnerability existed in the admin panel. An authenticated user with write access to a collection could save content that, when viewed by another user, would execute in their browser.

This issue has been patched in version 3.78.0.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1