{"id":44583,"date":"2026-10-23T00:38:00","date_gmt":"2026-10-22T16:38:00","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2021-48016"},"modified":"2026-10-23T00:38:00","modified_gmt":"2026-10-22T16:38:00","slug":"cve-2021-48016","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2021-48016","title":{"rendered":"CVE-2021-48016 [CRITICAL] &#8211; DedeCMS through 5.8.1-beta contains a PHP code injection vulnerability in ShowMsg() where"},"content":{"rendered":"<p>DedeCMS through 5.8.1-beta contains a PHP code injection vulnerability in ShowMsg() where the HTTP Referer header is written into a DedeTemplate string and included. Unauthenticated attackers can send a crafted Referer to \/plus\/flink.php?dopost=save with an empty validate code to execute arbitrary PHP and system commands. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DedeCMS through 5.8.1-beta contains a PHP code injection vulnerability in ShowMsg() where the HTTP Referer header is written into a DedeTemplate string and included. Unauthenticated attackers can send<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-44583","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/44583","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=44583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=44583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=44583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}