Improper Neutralization of Special Elements Used in a Template Engine in Craft CMS - #VU153023
Published: September 30, 2026
Vulnerability identifier: #VU153023
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-1336
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the Twig sandbox bypass in the "has some"/ "has every" operators. A remote user can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Craft CMS
Remediation
Install updates from vendor's website.
Craft CMS - update to 5.10.14