CVE-2024-49643 HIGH

CVE-2024-49643: WordPress Whitelist plugin <= 3.5 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Fifthsegment
Product Whitelist
Weakness CWE-79 · XSS
Published October 29, 2024
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in fifthsegment Whitelist fifthsegment-whitelist allows Reflected XSS.This issue affects Whitelist: from n/a through <= 3.5.

Explanation of Vulnerability in Simple Terms

02Summary

Whitelist versions 3.5 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability requires user interaction—typically clicking a malicious link—and can affect users across different parts of the application. An attacker needs no authentication to exploit this flaw.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in other users' browsers, stealing session tokens or performing actions on their behalf.

Potential impact on your site

04Site Impact

Users visiting affected pages could have their sessions hijacked or be redirected to phishing sites; site reputation may suffer.

Conditions required to exploit

05Prerequisites

Victim must click a malicious link or visit an attacker-controlled page; no authentication required.

Key dates

06Disclosure timeline

October 29, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE