{"id":"CVE-2026-105862","published":"2026-10-06T17:17:22.423","lastModified":"2026-10-06T20:03:40.690","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, a collection that allows downloadable SVG uploads can store a malicious SVG that bypasses sanitization and executes attacker-controlled JavaScript when a user downloads and opens the SVG. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.","cvssScore":8.7,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","cwes":["CWE-79","CWE-434"],"vendors":[],"products":[],"references":[{"url":"https://github.com/payloadcms/payload/commit/a8c3a8e8e2680c96ec4f66f5b3854c5df6c35adf","tags":[]},{"url":"https://github.com/payloadcms/payload/releases/tag/v3.90.0","tags":[]},{"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-2pwp-2369-8fg3","tags":[]}],"exploitRefs":[{"url":"https://github.com/payloadcms/payload/commit/a8c3a8e8e2680c96ec4f66f5b3854c5df6c35adf","tags":[]},{"url":"https://github.com/payloadcms/payload/releases/tag/v3.90.0","tags":[]},{"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-2pwp-2369-8fg3","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw allows attackers to upload malicious SVG files that bypass sanitization and execute JavaScript when downloaded, posing a high risk to users.","exploitability":"Exploitation is relatively easy as it requires uploading a crafted SVG file, which can be automated. Users must have the ability to upload content.","blast_radius":"If exploited, this could lead to remote code execution and data theft, impacting all users who download and open the malicious SVG.","remediation":"Upgrade to version 3.90.0 or 4.0.0-canary.34 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","web","svg","javascript","sanitization"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-09T08:44:39.645Z"}}