High severity · published Oct 22, 2026
CVE-2018-25439
MetInfo CMS < 6.1.1 Unauthenticated Path Traversal via thumb.php dir Parameter
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
MetInfo · MetInfo
6.0.0 before 6.1.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-25439
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-25439
github.com
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/metinfo-lfi.yaml
web.archive.org
https://web.archive.org/web/20190916061234/https://paper.seebug.org/676/
www.metinfo.cn
https://www.metinfo.cn/
www.vulncheck.com
https://www.vulncheck.com/advisories/metinfo-cms-6.1.1-unauthenticated-path-traversal-via-thumb-php-dir-parameter
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