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.
https://www.bleepingcomputer.com/news/security/new-balada-injector-campaign-infects-6-700-wordpress-sites/
https://wpscan.com/vulnerability/cdb3a8bd-4ee0-4ce0-9029-0490273bcfc8
https://wpscan.com/blog/stored-xss-fixed-in-popup-builder-4-2-3/
Source: Mitre, NVD
Published: 2024-01-01
Updated: 2024-01-08
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.23125