Medium severity - Cross-site Scripting vulnerability in express (package.json)

[github-actions]

• Package Manager: npm
• Vulnerable module: express
• Introduced through: [email protected] and [email protected]

Detailed paths

• Introduced through: [email protected] › [email protected]

Overview

express is a minimalist web framework.

Affected versions of this package are vulnerable to Cross-site Scripting due to improper handling of user input in the response.redirect method. An attacker can execute arbitrary code by passing malicious input to this method.

Note

To exploit this vulnerability, the following conditions are required:

1. The attacker should be able to control the input to response.redirect()

2. express must not redirect before the template appears

3. the browser must not complete redirection before:

4. the user must click on the link in the template

Remediation

Upgrade express to version 4.20.0, 5.0.0 or higher.

References

• GitHub Commit
  
  SNYK-JS-EXPRESS-7926867
  (CVE-2024-43796) [email protected]