{"id":"GHSA-mmxc-95ch-2j7c","revision":"69dd393415d84f97b661bf26903766b0","records":[{"revision":"69dd393415d84f97b661bf26903766b0","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-mmxc-95ch-2j7c","aliases":["CVE-2026-34748"],"title":"@payloadcms/next has Stored XSS in Admin Panel","description":"### Impact\n\nA 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.\n\nConsumers are affected if ALL of these are true:\n\n- Payload version **< v3.78.0**\n- At least one collection with versions enabled\n- An authenticated user has `create` or `update` access to that collection\n\n### Patches\n\nThis vulnerability has been patched in **v3.78.0**. Output encoding has been added to prevent user-supplied content from being interpreted as markup.\n\nUsers should upgrade to **v3.78.0** or later.\n\n### Workarounds\n\nIf consumers cannot upgrade immediately:\n\n- Restrict `create` and `update` access to versioned collections to trusted roles only.","state":0,"publishedAt":"2026-04-01T21:24:22+00:00","modifiedAt":"2026-04-06T17:05:23.541316+00:00","affected":[{"ecosystem":"npm","name":"@payloadcms/next","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"3.78.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/payloadcms/payload/security/advisories/GHSA-mmxc-95ch-2j7c","https://nvd.nist.gov/vuln/detail/CVE-2026-34748","https://github.com/payloadcms/payload"],"sourceUrl":"https://github.com/advisories/GHSA-mmxc-95ch-2j7c","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-mmxc-95ch-2j7c","identifiers":["GHSA-mmxc-95ch-2j7c","CVE-2026-34748"]},"retained":false,"historicalAffected":[]}],"coverage":[]}