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.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-25)

CWE

CWE-22

Published

2026-10-22

Modified

2026-10-22

Record from

the NVD, synced 2026-10-23

References

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

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