Cyber Posture

CVE-2025-24559

High

Published: 03 February 2025

Published
03 February 2025
Modified
23 April 2026
KEV Added
Patch
CVSS Score 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score 0.0004 11.9th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Description

Adversaries may abuse various implementations of JavaScript for execution.

Security Summary

CVE-2025-24559 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the WP Mailster WordPress plugin developed by brandtoss (wp-mailster). This issue affects the plugin from unspecified initial versions through 1.8.15.0.

The vulnerability can be exploited by a remote attacker requiring no privileges (PR:N), over the network (AV:N) with low complexity (AC:L), though it demands user interaction (UI:R), such as clicking a malicious link. Successful exploitation changes scope (S:C) and results in low impacts to confidentiality, integrity, and availability (C:L/I:L/A:L), yielding a CVSS v3.1 base score of 7.1. Attackers could inject and execute arbitrary scripts in victims' browsers.

Patchstack's advisory (https://patchstack.com/database/Wordpress/Plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-15-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve) documents the Reflected XSS in WP Mailster 1.8.15.0 and covers mitigation details for affected WordPress installations.

Details

CWE(s)
CWE-79

Affected Products

wpmailster
wp mailster
≤ 1.8.16

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
Why these techniques?

Reflected XSS in public-facing WordPress plugin directly enables exploitation of web application and arbitrary JavaScript execution in victim's browser.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References