CVE-2026-34748

@payloadcms/next has Stored XSS in Admin Panel

CVSS 8.7 HIGHEPSS 0.3%CWE-79

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.7EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

payloadcms · payload

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References

https://github.com/payloadcms/payload/security/advisories/GHSA-mmxc-95ch-2j7c