{"id":12086,"date":"2026-04-14T07:03:29","date_gmt":"2026-04-14T07:03:29","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/04\/14\/showdoc-rce-flaw-cve-2025-0520-actively-html\/"},"modified":"2026-04-14T07:03:29","modified_gmt":"2026-04-14T07:03:29","slug":"showdoc-rce-flaw-cve-2025-0520-actively-html","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/04\/14\/showdoc-rce-flaw-cve-2025-0520-actively-html\/","title":{"rendered":"ShowDoc RCE Flaw CVE-2025-0520 Actively Exploited on Unpatched Servers"},"content":{"rendered":"<p>    ShowDoc RCE Flaw CVE-2025-0520 Actively Exploited on Unpatched Servers<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>A critical security vulnerability\u00a0impacting ShowDoc, a document management and collaboration service popular in China, has come under active exploitation in the\u00a0wild.<br \/>\nThe vulnerability in question\u00a0is CVE-2025-0520 (aka CNVD-2020-26585), which carries a CVSS score of 9.4\u00a0out of\u00a010.0.<br \/>\nIt relates to a case of unrestricted file upload that stems from improper validation of<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><\/p>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/thehackernews.com\/2026\/04\/showdoc-rce-flaw-cve-2025-0520-actively.html\">Go to TheHackersNews<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ShowDoc RCE Flaw CVE-2025-0520 Actively Exploited on Unpatched Servers A critical security vulnerability\u00a0impacting ShowDoc, a document management and collaboration service popular in China, has come under active exploitation in the\u00a0wild. The vulnerability in question\u00a0is CVE-2025-0520 (aka CNVD-2020-26585), which carries a CVSS score of 9.4\u00a0out of\u00a010.0. It relates to a case of unrestricted file upload that [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[76],"class_list":["post-12086","post","type-post","status-publish","format-standard","hentry","category-thehackersnews","tag-thehackersnews"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/12086"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=12086"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/12086\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=12086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=12086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=12086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}