{"id":3683,"date":"2026-04-14T05:50:00","date_gmt":"2026-04-14T05:50:00","guid":{"rendered":"http:\/\/infosec-daily.com\/?page_id=3683"},"modified":"2026-04-14T05:50:00","modified_gmt":"2026-04-14T05:50:00","slug":"showdoc-rce-flaw-cve-2025-0520-actively-exploited-on-unpatched-servers","status":"publish","type":"page","link":"https:\/\/infosec-daily.com\/?page_id=3683","title":{"rendered":"ShowDoc RCE Flaw CVE-2025-0520 Actively Exploited on Unpatched Servers"},"content":{"rendered":"<p>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<\/p>","protected":false},"excerpt":{"rendered":"<p>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&hellip;<\/p>\n","protected":false},"author":1,"featured_media":3684,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"saved_in_kubio":false,"footnotes":""},"class_list":["post-3683","page","type-page","status-publish","has-post-thumbnail","hentry"],"kubio_ai_page_context":{"short_desc":"","purpose":"general"},"_links":{"self":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages\/3683","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3683"}],"version-history":[{"count":0,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/pages\/3683\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infosec-daily.com\/index.php?rest_route=\/wp\/v2\/media\/3684"}],"wp:attachment":[{"href":"https:\/\/infosec-daily.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}