Path Traversal in Metinfo
CVE-2018-25439
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 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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- web.archive.org/web/20190916061234/https://paper.seebug.org/676/ (technical-description, exploit)
- github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/oth… (technical-description)
- www.metinfo.cn/ (product)
- www.vulncheck.com/advisories/metinfo-cms-6.1.1-unauthenticated-path-traversal-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25439?
- CVE-2018-25439 is a high-severity vulnerability in Metinfo, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-10-22.
- How severe is CVE-2018-25439?
- High severity. CVSS v3 base score is 7.5 out of 10.