CVE-2024-31421: WordPress Popup by Supsystic plugin <= 1.10.27 - Broken Access Control vulnerability

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-15 · updated 2026-06-17
Weakness: CWE-862

Description

Missing Authorization vulnerability in supsystic Popup by Supsystic popup-by-supsystic.This issue affects Popup by Supsystic: from n/a through <= 1.10.27.

Affected products

supsystic Popup by Supsystic: before 1.10.28 — fixed in 1.10.28

How to fix

Upgrade to a fixed version: supsystic Popup by Supsystic 1.10.28. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/Wordpress/Plugin/popup-by-supsystic/vulnerability/wordpress-popup-by-supsystic-plugin-1-10-27-broken-access-control-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/popup-by-supsystic/wordpress-popup-by-supsystic-plugin-1-10-27-broken-access-control-vulnerability?_s_id=cve

Get alerted when CVE-2024-31421 or the next vulnerability affects your stack