Arbitrary Code Injection Affecting bolt/bolt package, versions >=0.0.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Arbitrary Code Injection vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-PHP-BOLTBOLT-10734085
- published13 Jul 2025
- disclosed3 Jul 2025
- creditUnknown
Introduced: 3 Jul 2025
NewCVE-2025-34086 (opens in a new tab)How to fix?
There is no fixed version for bolt/bolt.
Overview
bolt/bolt is a sophisticated, lightweight & simple CMS.
Affected versions of this package are vulnerable to Arbitrary Code Injection via the function modify in the Users.php file. An attacker with valid credentials can execute arbitrary PHP code by injecting malicious input into the displayname field, renaming cached session files to a publicly accessible directory with a .php extension, and triggering the payload through a crafted HTTP GET request.