Improper access control in magento-lts - CVE-2020-26295
Published: January 19, 2021 / Updated: April 20, 2026
Vulnerability identifier: #VU126490
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-26295
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the server.
The vulnerability exists due to improper access control in the CMS layout XML handling when processing layout XML in CMS page editing. A remote user can inject an executable file on the server to execute arbitrary code on the server.
Exploitation requires permissions to import or export data and to edit CMS pages.
Affected software
magento-lts
How to mitigate CVE-2020-26295
Install security update from vendor's website.
magento-lts - addressed in versions 19.4.9, 20.0.5