{"id":31978,"date":"2026-10-02T04:31:38","date_gmt":"2026-10-01T20:31:38","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-56661"},"modified":"2026-10-02T04:31:38","modified_gmt":"2026-10-01T20:31:38","slug":"cve-2026-56661","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-56661","title":{"rendered":"CVE-2026-56661 [HIGH] &#8211; GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community"},"content":{"rendered":"<p>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 update handler fetches a user-supplied URL with file_get_contents() after only format validation (FILTER_VALIDATE_URL) \u2014 there is no validation of the request destination. An attacker who can submit the form can make the server issue requests to arbitrary destinations, including internal-only services and cloud metadata endpoints (169.254.169.254). The fetched response body is written to a web-accessible file (\/Tmpfile.zip) and is not deleted when the content is not a valid ZIP, turning this into a full-read SSRF: the attacker can retrieve the response of the internal request directly. This issue has been patched in version 1.5.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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 update handler fetches a user-supplied URL with file_get_conten<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-31978","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/31978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=31978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=31978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=31978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}