CVE-2023-51353 MEDIUM

CVE-2023-51353: WordPress Popup by Supsystic plugin <= 1.10.19 - Broken Access Control vulnerability

Vendor Supsystic
Product Popup by Supsystic
Weakness CWE-862 · Missing authorization
Published December 9, 2024
Last update April 29, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

Missing Authorization vulnerability in supsystic Popup by Supsystic popup-by-supsystic allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Popup by Supsystic: from n/a through <= 1.10.19.

Explanation of Vulnerability in Simple Terms

02Summary

Popup by Supsystic versions 1.10.19 and earlier lack proper authorization checks, allowing unauthenticated attackers to modify popup content and settings. An attacker can send a crafted request to alter popups without needing to log in or interact with a site administrator. This affects all installations running the vulnerable version.

What an attacker can do

03Attacker Capabilities

Modify popup content and settings without authentication.

Potential impact on your site

04Site Impact

Popups can be altered to display malicious content, phishing, or redirect visitors without your knowledge.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 9, 2024 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE