Medium severity5.3NVD Advisory· Published Apr 23, 2018· Updated Jun 17, 2026

CVE-2018-9921

Description

In CMS Made Simple 2.2.7, a Directory Traversal issue makes it possible to determine the existence of files and directories outside the web-site installation directory, and determine whether a file has contents matching a specified checksum. The attack uses an admin/checksum.php?__c= request.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/CMS Made Simpleinferred
Range: = 2.2.7
Package: https://wordpress.org/plugins/cms-made-simple
Simple CMS/Simple CMSllm-fuzzy
Range: = 2.2.7

Patches

Vulnerability mechanics

References

gist.github.com/0xn1k5/ef4c7c7a26c7d8a803ef3a85f1000c98nvdThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.345
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000