Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Popup Builder | < 4.2.3 | 4.2.3 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
RonF98/CVE-2023-6000-POC ★ 1 · Oct 14, 2024
This vulnerability displays an XSS flaw in a WordPress popup plugin, allowing attackers to inject malicious JavaScript through a stored XSS
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- WordPress Popup Builder <= 4.2.3 - Unauthenticated Stored XSS http/cves/2023/CVE-2023-6000.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
References
- https://wpscan.com/vulnerability/cdb3a8bd-4ee0-4ce0-9029-0490273bcfc8 exploit vdb-entry technical-description
- https://wpscan.com/blog/stored-xss-fixed-in-popup-builder-4-2-3/ technical-description