{"affected":[{"defaultStatus":"unaffected","ecosystem":"composer","packageName":"showdoc/showdoc","product":"ShowDoc","source":"CNA: VulnCheck","vendor":"ShowDoc","versions":[{"lessThan":"2.8.7","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2025-0520","cwes":["CWE-434"],"description":"An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution.This issue affects ShowDoc: before 2.8.7.","epss":{"date":"2026-11-08","percentile":0.84445,"score":0.02445},"exploits":[{"kind":"exploit","source":"CNA: VulnCheck","url":"https://github.com/vulhub/vulhub/tree/master/showdoc/CNVD-2020-26585"}],"kev":null,"metrics":[{"score":9.4,"severity":"critical","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L","version":"4.0"}],"modifiedAt":1794146406959,"publishedAt":1745955337829,"references":[{"source":"CNA: VulnCheck","tags":["exploit"],"url":"https://github.com/vulhub/vulhub/tree/master/showdoc/CNVD-2020-26585"},{"source":"CNA: VulnCheck","tags":["issue-tracking","patch"],"url":"https://github.com/star7th/showdoc/pull/1059"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2020-26585"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/showdoc-unauthenticated-file-upload-rce"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/star7th/showdoc/pull/1059"}],"revision":"4593e791958199b5257d9c1e159c2fbb7b78f9074840ea75944d09a4d1fdc87c","sources":[{"modifiedAt":1794146406959,"name":"CNA: VulnCheck","retrievedAt":1794146950034,"url":"https://www.cve.org/CVERecord?id=CVE-2025-0520"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794150557018,"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-0520"}],"ssvc":{"assessedAt":1745959124727,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"ShowDoc < 2.8.7 Unauthenticated File Upload Remote Code Execution","updatedAt":1794150557018}