{"api_version":"1","generated_at":"2026-10-01T21:51:30+00:00","cve":"CVE-2026-56662","urls":{"html":"https://cve.report/CVE-2026-56662","api":"https://cve.report/api/cve/CVE-2026-56662.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-56662","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-56662"},"summary":{"title":"GetSimple CMS: Missing CSRF protection in UpdateCE allows forging a privileged server-side update request","description":"GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. Prior to version 1.5, the UpdateCE update form contained no anti-CSRF token, and the POST handler performed no token or request-origin verification. A remote attacker can host a page that auto-submits a forged POST to the update endpoint; when an authenticated administrator visits it, the server performs an attacker-directed download-and-deploy operation in the administrator's session — with no further interaction. Because the deployed content is executed (see the related ZIP-extraction advisory), this yields remote code execution. The url field is additionally written into the form unescaped, providing a secondary HTML-injection sink via a malicious upgrade.json. 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Prior to version 1.5, the UpdateCE update form contained no anti-CSRF token, and the POST handler performed no token or request-origin verification. A remote attacker can host a page that auto-submits a forged POST to the update endpoint; when an authenticated administrator visits it, the server performs an attacker-directed download-and-deploy operation in the administrator's session — with no further interaction. Because the deployed content is executed (see the related ZIP-extraction advisory), this yields remote code execution. The url field is additionally written into the form unescaped, providing a secondary HTML-injection sink via a malicious upgrade.json. This issue has been patched in version 1.5.","Type":"Description","Title":"GetSimple CMS: Missing CSRF protection in UpdateCE allows forgin"}]}}}