The Popups, Welcome Bar, Optins and Lead Generation Plugin WordPress plugin before 2.1.8 does not sanitize and escape some campaign parameters, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)