CVE-2026-34748HIGH 8.7EPSS p20.1%

CVE-2026-34748CVE-2026-34748

Description

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.

Scoring

CVSS 3.18.7 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS0.29% probability of exploitation · percentile 20.1% · 2026-06-19T12:03:05Z
Published2026-04-01
Last modified2026-04-13

Underlying weaknesses· 1

CWE-79

References

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

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')cwe-790%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.