Improper Neutralization of Special Elements Used in a Template Engine in Bagisto - CVE-2026-21448
Published: April 25, 2026
Vulnerability identifier: #VU127910
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-21448
CWE-ID: CWE-1336
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Webkul Software Pvt. Ltd.
Affected software:
Bagisto
Bagisto
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to server-side template injection in the checkout address handling and customer address creation functionality when processing user-supplied address input. A remote user can inject a crafted template expression to execute arbitrary code.
Injected input is rendered in the admin order view, and the issue is also reachable through customer address creation.
How to mitigate CVE-2026-21448
Install security update from vendor's website.