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.

Score

CVSS 4.0 8.7 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-10-22

Last modified

2026-10-22

Weaknesses

CWE-22

Affected products

• Metinfo (Metinfo)

References

• https://web.archive.org/web/20190916061234/https://paper.seebug.org/676/
• https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/metinfo-lfi.yaml
• https://www.metinfo.cn/
• https://www.vulncheck.com/advisories/metinfo-cms-6.1.1-unauthenticated-path-traversal-via-thumb-php-dir-parameter