{"id":"CVE-2025-0520","aliases":["EUVD-2025-12661","GHSA-6jmr-r7p6-f5wr"],"status":"published","title":"ShowDoc \u003c 2.8.7 Unauthenticated File Upload Remote Code Execution","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.","severity":{"version":"4.0","score":9.4,"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02445,"percentile":0.84548,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434"],"published":"2025-04-29T19:35:37Z","modified":"2026-11-09T02:45:50Z","exploits":[{"source":"nuclei","id":"CVE-2025-0520","title":"ShowDoc - Remote Code Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-0520.yaml"}],"fixes":[{"ecosystem":"Packagist","package":"showdoc/showdoc","fixed_in":["2.8.7"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"showdoc/showdoc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.7"}]}]},{"source":"osv","ecosystem":"Packagist","package":"showdoc/showdoc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.7"}]}],"versions":["v1.0.0","v1.0.1","v1.0.2","v1.0.3","v1.0.4","v1.0.5","v1.1.0","v1.1.1","v1.1.3","v1.1.4","v1.1.5","v1.2.0","v1.2.1","v1.2.2","v1.2.3","v1.2.4","v1.2.5","v1.2.6","v1.3.0","v1.3.1","v1.3.3","v1.3.4","v1.3.5","v1.3.6","v1.3.7","v1.3.8","v1.4.0","v1.4.1","v1.4.2","v1.4.3","v1.4.4","v1.4.5","v1.4.6","v1.4.7","v1.5.0","v1.5.1","v1.5.2","v1.5.3","v1.6.0","v1.6.1","v1.6.2","v1.7.0","v1.7.1","v1.7.2","v1.8.0","v1.8.1","v1.8.2","v1.8.3","v1.8.4","v1.8.5","v1.8.6","v2.0","v2.0.1","v2.0.10","v2.0.2","v2.0.3","v2.0.4","v2.0.5","v2.0.6","v2.0.7","v2.0.8","v2.0.9","v2.1.0","v2.1.1","v2.1.2","v2.1.3","v2.1.4","v2.1.5","v2.2.0","v2.2.1","v2.3.0","v2.3.1","v2.3.3","v2.4.0","v2.4.1","v2.4.10","v2.4.11","v2.4.12","v2.4.13","v2.4.15","v2.4.16","v2.4.17","v2.4.2","v2.4.3","v2.4.5","v2.4.6","v2.4.7","v2.4.8","v2.4.9","v2.5.1","v2.5.2","v2.5.3","v2.5.5","v2.6.1","v2.6.2","v2.6.3","v2.6.5","v2.6.6","v2.6.7","v2.7.0","v2.7.1","v2.8.0","v2.8.1","v2.8.2","v2.8.3","v2.8.5","v2.8.6"]}],"products":[{"vendor":"showdoc","product":"showdoc"},{"vendor":"star7th","product":"showdoc"}],"references":[{"url":"https://github.com/vulhub/vulhub/tree/master/showdoc/CNVD-2020-26585","tags":["exploit","evidence","web"]},{"url":"https://github.com/star7th/showdoc/pull/1059","tags":["issue-tracking","patch","fix","web"]},{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2020-26585","tags":["third-party-advisory","advisory","web"]},{"url":"https://www.vulncheck.com/advisories/showdoc-unauthenticated-file-upload-rce","tags":["third-party-advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-0520","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6jmr-r7p6-f5wr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/0xxx/CVE-2025-0520.json","tags":["advisory"]},{"url":"https://github.com/star7th/showdoc","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-0520","title":"ShowDoc \u003c 2.8.7 Unauthenticated File Upload Remote Code Execution","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.","status":"published","published":"2025-04-29T19:35:37.829Z","modified":"2026-11-08T14:00:06.959Z","cvss":[{"version":"4.0","score":9.4,"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","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-08T14:43:22.764053Z"}],"euvd":[{"id":"EUVD-2025-12661","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.","status":"published","published":"2025-04-29T19:35:37Z","modified":"2026-11-08T14:00:06Z","cvss":[{"version":"4.0","score":9.4,"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","level":"critical"}],"updated_at":"2026-11-08T15:13:10.25084Z"}],"ghsa":[{"id":"GHSA-6jmr-r7p6-f5wr","title":"ShowDoc unrestricted file upload vulnerability","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. 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