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.
https://github.com/m0us3Sun/PHPCMS-v9/issues/1
Source: Mitre, NVD
Published: 2018-08-05
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.0065