The Popup by Supsystic WordPress plugin before 1.10.19 has a prototype pollution vulnerability that could allow an attacker to inject arbitrary properties into Object.prototype.
https://wpscan.com/vulnerability/545007fc-3173-47b1-82c4-ed3fd1247b9c
Source: Mitre, NVD
Published: 2023-07-17
Updated: 2023-11-07
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H