CVE-2025-39539 HIGH

CVE-2025-39539: WordPress WP Email Delivery plugin <= 1.20.11.23 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Brewlabs
Product WP Email Delivery
Weakness CWE-79 · XSS
Published June 9, 2025
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 brewlabs WP Email Delivery wp-email-delivery allows Reflected XSS.This issue affects WP Email Delivery: from n/a through <= 1.20.11.23.

Explanation of Vulnerability in Simple Terms

02Summary

WP Email Delivery versions up to 1.20.11.23 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by site visitors. 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 visitors' browsers, stealing cookies, session tokens, or redirecting users to phishing sites.

Potential impact on your site

04Site Impact

Visitors' accounts and data at risk; site reputation damaged if used for phishing or malware distribution.

Conditions required to exploit

05Prerequisites

Attacker crafts a malicious link; a site visitor must click it or visit a compromised page.

Key dates

06Disclosure timeline

June 9, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE