CVE-2018-14940

HIGH

PHPCMS 9 - Denial of Service via Large Font Size Parameters in Checkcode API

Title source: llm

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.

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://github.com/m0us3Sun/PHPCMS-v9/issues/1

Scores

CVSS v3 7.5

EPSS 0.0130

EPSS Percentile 66.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-400

Status published

Products (1)

phpcms/phpcms 9.0

Published Aug 05, 2018

Tracked Since Feb 18, 2026