CVE-2018-25439

HIGH 7.5

MetInfo CMS < 6.1.1 Unauthenticated Path Traversal via thumb.php dir Parameter

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	metinfo
Product	metinfo
Published	Oct 22, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

MetInfo / MetInfo

6.0.0 < 6.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 The Shadowserver Foundation