The "All Subscribers" setting page of Popup Builder was vulnerable to reflected Cross-Site Scripting.
https://wpscan.com/vulnerability/597e9686-f4e2-43bf-85ef-c5967e5652bd
Source: Mitre, NVD
Published: 2021-04-05
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.0021