CVE-2020-26048

HIGH

CuppaCMS < 2019-11-12 - Authenticated Remote Code Execution via File Manager Rename Function

Title source: llm
STIX 2.1

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 0.0179
EPSS Percentile 75.5%
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