CVE-2025-24688 HIGH

CVE-2025-24688: WordPress WP Mailster Plugin <= 1.8.20.0 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Brandtoss
Product WP Mailster
Weakness CWE-79 · XSS
Published February 14, 2025
Last update May 11, 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 brandtoss WP Mailster wp-mailster allows Reflected XSS.This issue affects WP Mailster: from n/a through <= 1.8.20.0.

Explanation of Vulnerability in Simple Terms

02Summary

WP Mailster versions up to 1.8.20.0 contain a cross-site scripting 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 multiple users across the site. 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

Site visitors could have their sessions hijacked or be redirected to phishing pages; user data and site reputation at risk.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

February 14, 2025 CVE published
May 11, 2026 Record updated

Related vulnerabilities

08Related CVE