What is CVE-2018-10523?

CVE-2018-10523 is a medium-severity vulnerability in Cmsmadesimple Cms Made Simple, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-04-27.

How severe is CVE-2018-10523?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2018-10523 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Cmsmadesimple Cms Made Simple

CVE-2018-10523

CMS Made Simple (CMSMS) through 2.2.7 contains a physical path leakage Vulnerability via /modules/DesignManager/action.ajax_get_templates.php, /modules/DesignManager/action.ajax_get_stylesheets.php, /modules/FileManager/dunzip.php, or /modules/FileManager/untgz.php.

Vulnerability class: Information Disclosure

Published 2018-04-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.011 · change: -0.000

Affected products

Cmsmadesimple Cms Made Simple

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

itodaro/cmsms_

References

github.com/itodaro/cmsms_cve/blob/master/README.md (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-10523?: CVE-2018-10523 is a medium-severity vulnerability in Cmsmadesimple Cms Made Simple, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-04-27.
How severe is CVE-2018-10523?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2018-10523 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.