High severity8.7NVD Advisory· Published Apr 1, 2026· Updated Apr 13, 2026
CVE-2026-34748
CVE-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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@payloadcms/nextnpm | < 3.78.0 | 3.78.0 |
Affected products
2Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-mmxc-95ch-2j7cghsaADVISORY
- github.com/payloadcms/payload/security/advisories/GHSA-mmxc-95ch-2j7cnvdMitigationVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-34748ghsaADVISORY
News mentions
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