Improper Neutralization of Special Elements Used in a Template Engine in Craft CMS - #VU146743

 

Improper Neutralization of Special Elements Used in a Template Engine in Craft CMS - #VU146743

Published: September 2, 2026


Vulnerability identifier: #VU146743
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 improper validation of signed redirect parameters. 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 - addressed in versions 4.18.6, 5.10.13

External References

Related Security Bulletins