VULNERABILITY INTELLIGENCE

CVE-2020-26048

CVSS score8.8 HIGH
EPSS probability1.86%
CISA KEVNot currently listed
Published2020-10-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-434

Primary references