{"id":"CVE-2026-105868","aliases":["EUVD-2026-93514","GHSA-9qpg-3cf8-w33x"],"status":"published","title":"Payload: Uploaded XML files could execute same-origin JavaScript","description":"Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, local upload configurations that accept XML files can store an XML file and stylesheet that execute JavaScript in the Payload origin when a logged-in user opens the file. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00165,"percentile":0.05856,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434"],"published":"2026-10-06T16:51:34Z","modified":"2026-10-28T02:30:41Z","fixes":[{"ecosystem":"npm","package":"payload","fixed_in":["3.90.0","4.0.0-canary.34"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"payload","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.90.0"}]}]},{"source":"ghsa","ecosystem":"npm","package":"payload","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0-canary.0"},{"fixed":"4.0.0-canary.34"}]}]},{"source":"osv","ecosystem":"npm","package":"payload","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.90.0"}]}]},{"source":"osv","ecosystem":"npm","package":"payload","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0-canary.0"},{"fixed":"4.0.0-canary.34"}]}]}],"products":[{"vendor":"payloadcms","product":"payload"}],"references":[{"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-9qpg-3cf8-w33x","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/payloadcms/payload/commit/a8c3a8e8e2680c96ec4f66f5b3854c5df6c35adf","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/payloadcms/payload/releases/tag/v3.90.0","tags":["x_refsource_MISC","Patch","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105868","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9qpg-3cf8-w33x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105868.json","tags":["advisory"]},{"url":"https://github.com/payloadcms/payload","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-105868","title":"Payload: Uploaded XML files could execute same-origin JavaScript","description":"Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, local upload configurations that accept XML files can store an XML file and stylesheet that execute JavaScript in the Payload origin when a logged-in user opens the file. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.","status":"published","published":"2026-10-06T16:51:34.054Z","modified":"2026-10-09T01:17:45.783Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:19:56.755658Z"}],"euvd":[{"id":"EUVD-2026-93514","description":"Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, local upload configurations that accept XML files can store an XML file and stylesheet that execute JavaScript in the Payload origin when a logged-in user opens the file. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.","status":"published","published":"2026-10-06T16:51:34Z","modified":"2026-10-09T01:17:45Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:25.942984Z"}],"ghsa":[{"id":"GHSA-9qpg-3cf8-w33x","title":"Payload: Uploaded XML files could execute same-origin JavaScript","description":"### Impact\nUnder certain local upload configurations, an uploaded XML file and stylesheet could execute JavaScript in the Payload origin when a logged-in user opens the file.\n\nYou are affected if:\n- You accept XML uploads (accepted by default).\n\n### Patches\nUsers should upgrade Payload packages to `\u003e= 3.90.0` or `\u003e= 4.0.0-canary.34`.\n\n### Workarounds\nDisallow XML/XSL uploads.","status":"published","published":"2026-10-07T20:28:53Z","modified":"2026-10-07T20:28:54Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:41:29.107536Z"}],"nvd":[{"id":"CVE-2026-105868","description":"Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, local upload configurations that accept XML files can store an XML file and stylesheet that execute JavaScript in the Payload origin when a logged-in user opens the file. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.","status":"published","published":"2026-10-06T17:17:23.283Z","modified":"2026-10-15T00:13:30.413Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:12:54.486849Z"}],"osv":[{"id":"CVE-2026-105868","title":"Payload: Uploaded XML files could execute same-origin JavaScript","description":"Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, local upload configurations that accept XML files can store an XML file and stylesheet that execute JavaScript in the Payload origin when a logged-in user opens the file. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.","status":"published","published":"2026-10-06T16:51:34.054Z","modified":"2026-10-28T02:30:41.564262131Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:44:54.583213Z"},{"id":"GHSA-9qpg-3cf8-w33x","title":"Payload: Uploaded XML files could execute same-origin JavaScript","description":"### Impact\nUnder certain local upload configurations, an uploaded XML file and stylesheet could execute JavaScript in the Payload origin when a logged-in user opens the file.\n\nYou are affected if:\n- You accept XML uploads (accepted by default).\n\n### Patches\nUsers should upgrade Payload packages to `\u003e= 3.90.0` or `\u003e= 4.0.0-canary.34`.\n\n### Workarounds\nDisallow XML/XSL uploads.","status":"published","published":"2026-10-07T20:28:53Z","modified":"2026-10-07T20:45:04.340988934Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:46:44.225359Z"}]}}