CVE-2026-34748 HIGH

CVE-2026-34748: @payloadcms/next has Stored XSS in Admin Panel

Vendor Payloadcms
Product payload
Weakness CWE-79 · XSS
Published April 1, 2026
Last update April 2, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 1, 2026 CVE published
April 2, 2026 Record updated