CVE-2018-14940

Name: CVE-2018-14940
Creator: NVD / NIST
Published: 2018-08-05T18:29:00.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.30%

Last modified Jun 17, 2026

CVE-2018-14940 is a vulnerability of currently unknown severity. PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large font_size, height, and width parameters in an api.php?op=checkcode request.. EPSS estimates a 1.30% chance of exploitation in the next 30 days.

Description

PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large font_size, height, and width parameters in an api.php?op=checkcode request.

Metrics

EPSS Probability

1.30%

66.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Phpcms	Phpcms	9.0

References

https://github.com/m0us3Sun/PHPCMS-v9/issues/1Exploit, Third Party Advisory
https://github.com/m0us3Sun/PHPCMS-v9/issues/1Exploit, Third Party Advisory

Timeline

Published: Aug 5, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14940?

PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large font_size, height, and width parameters in an api.php?op=checkcode request.

How severe is CVE-2018-14940?

Severity scoring for CVE-2018-14940 is pending analysis. The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14940?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-14940?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST