{"id":19033826,"date":"2026-10-01T08:52:36","date_gmt":"2026-10-01T08:52:36","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/hcaptcha-bad-signature-error-on-login-after-updating-to-5-4-0\/"},"modified":"2026-10-01T08:52:36","modified_gmt":"2026-10-01T08:52:36","slug":"hcaptcha-bad-signature-error-on-login-after-updating-to-5-4-0","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/hcaptcha-bad-signature-error-on-login-after-updating-to-5-4-0\/","title":{"rendered":"hCaptcha &#8216;bad signature&#8217; error on login after updating to 5.4.0"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hi,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I updated your plugin to 5.4.0, and now when I try to log into the back office, hCaptcha throws this message: &#8220;hcaptcha bad signature!&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For info, the site also runs WordFence, WPS Hide Login and WP Rocket. Everything was working fine before your update.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I tried disabling two-factor authentication, but I still get the same error.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So I rolled back to version 5.3.0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Best regards<\/p>\n","protected":false},"template":"","class_list":["post-19033826","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19033826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19033826\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19033826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}