{"id":"CVE-2018-25439","title":"MetInfo CMS < 6.1.1 Unauthenticated Path Traversal via thumb.php dir Parameter","summary":"MetInfo CMS 6.0.0 before 6.1.1 contains a path traversal vulnerability in /include/thumb.php that allows unauthenticated attackers to read arbitrary files via the dir parameter. Attackers can send crafted requests with backslash sequence…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-22"],"vendor":"MetInfo","product":"MetInfo","affected":["MetInfo >= 6.0.0 < 6.1.1"],"published":"2026-10-22","updated":"2026-10-22","sourceUpdated":"2026-10-22T10:57:26.044Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2018-25439","references":[{"url":"https://web.archive.org/web/20190916061234/https://paper.seebug.org/676/","label":"Archived Seebug Paper 676"},{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/metinfo-lfi.yaml","label":"Nuclei Template"},{"url":"https://www.metinfo.cn/","label":"Product Webpage"},{"url":"https://www.vulncheck.com/advisories/metinfo-cms-6.1.1-unauthenticated-path-traversal-via-thumb-php-dir-parameter","label":"VulnCheck Advisory: MetInfo CMS < 6.1.1 Unauthenticated Path Traversal via thumb.php dir Parameter"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T11:37:02.345Z","slug":"CVE-2018-25439","body":"## Overview\n\nMetInfo CMS 6.0.0 before 6.1.1 contains a path traversal vulnerability in /include/thumb.php that allows unauthenticated attackers to read arbitrary files via the dir parameter. Attackers can send crafted requests with backslash sequences bypassing the str_replace filter to read files like config_db.php on Windows. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.\n\n## Affected\n\n- `MetInfo >= 6.0.0 < 6.1.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}