rxerium / CVE-2023-6000

The Popup Builder WordPress plugin before 4.2.3 does not prevent simple visitors from updating existing popups, and injecting raw JavaScript in them, which could lead to Stored XSS attacks.

CVE-2023-6000 PoC

How does this detection method work?

This template looks at the following path: /wp-content/plugins/popup-builder/readme.txt

Based on the Stable Tag listed, if the version is prior to 4.2.3 then it is considered to be vulnerable.

How do I run this script?

1. Download Nuclei from here
2. Copy the template to your local system
3. Run the following command: nuclei -u https://yourHost.com -t template.yaml

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-6000
• https://www.bleepingcomputer.com/news/security/hackers-exploit-wordpress-plugin-flaw-to-infect-3-300-sites-with-malware/

Disclaimer

Use at your own risk, I will not be responsible for illegal activities you conduct on infrastructure you do not own or have permission to scan.