{"id":15169,"date":"2026-09-04T19:02:29","date_gmt":"2026-09-04T11:02:29","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63429"},"modified":"2026-09-04T19:02:29","modified_gmt":"2026-09-04T11:02:29","slug":"cve-2026-63429","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63429","title":{"rendered":"CVE-2026-63429 [HIGH] &#8211; HeyForm is an open-source form builder. Prior to version 3.0.0-rc.9, `POST \/api\/upload` ha"},"content":{"rendered":"<p>HeyForm is an open-source form builder. Prior to version 3.0.0-rc.9, `POST \/api\/upload` has no authentication guard, no global guard, no form-context validation, no `openToken` requirement, and no session cookie check. Any anonymous internet user can upload files (PDF, DOC\/DOCX, XLS\/XLSX, CSV, TXT, MP4, images, etc., up to 10 MB) and receive a permanent public URL on the HeyForm domain. The endpoint is used by both authenticated form creators and unauthenticated form submitters; because no form-context binding exists, every request to it is anonymously accepted. Version 3.0.0-rc.9 contains a patch for the issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HeyForm is an open-source form builder. Prior to version 3.0.0-rc.9, `POST \/api\/upload` has no authentication guard, no global guard, no form-context validation, no `openToken` requirement, and no ses<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-15169","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/15169","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=15169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}