Description
Bolt CMS <= 4.2 is vulnerable to Remote Code Execution. Unsafe theme rendering allows an authenticated attacker to edit theme to inject server-side template injection that leads to remote code execution.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
http://boltcms.com
Third Party Advisory x_refsource_misc
https://github.com/bolt/core
Exploit, Third Party Advisory x_refsource_misc
https://github.com/bolt/core/blob/3b21a73ebf519b76756d3ad2841312d10ef11461/src/Controller/Frontend/TemplateController.php
Exploit, Third Party Advisory x_refsource_misc
https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-40219
Scores
CVSS v3
8.8
EPSS
0.0503
EPSS Percentile
89.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-94
Status
published
Products (2)
bolt/bolt_cms
< 4.2.0
bolt/core
0Packagist
Published
Apr 11, 2022
Tracked Since
Feb 18, 2026