Description
The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_misc
https://github.com/CuppaCMS/CuppaCMS/issues/7
Scores
CVSS v3
8.8
EPSS
0.0186
EPSS Percentile
83.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-434
Status
published
Products (1)
cuppacms/cuppacms
< 2019-11-12
Published
Oct 05, 2020
Tracked Since
Feb 18, 2026