CVE-2023-6000

Popup Builder < 4.2.3 - Unauthenticated Stored XSS

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

Popup Builder

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

2.00% chance of exploitation in the next 30 days, 80th percentile

Nuclei

medium · CWE-79

Published

2024-01-01

Updated

2025-06-18

Proof-of-concept exploits (4)

• https://wpscan.com/blog/stored-xss-fixed-in-popup-builder-4-2-3/
• https://wpscan.com/vulnerability/cdb3a8bd-4ee0-4ce0-9029-0490273bcfc8
• RonF98/CVE-2023-6000-POC1★ · 2025-07-07
• rxerium/CVE-2023-60002★ · 2025-10-14

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-6000.yaml

Security advisories

• https://wpscan.com/blog/stored-xss-fixed-in-popup-builder-4-2-3

References

• CVE Record
• NVD entry

Related

• CVE-2023-21716
• CVE-2023-38831
• CVE-2024-11972
• CVE-2024-43451
• CVE-2022-24086
• CVE-2022-41352