CVE-2026-57741
HighCVSS 7.1Exploitation Probability (EPSS)
Low risk16th percentile - higher than 16% of all known CVEs
Summary
The AcyMailing SMTP Newsletter plugin for WordPress contains a Stored Cross-Site Scripting (XSS) vulnerability due to improper input neutralization during web page generation. This issue affects all versions up to and including 10.11.0.
Risk Assessment
An attacker can inject malicious JavaScript that executes in the browsers of administrators or users viewing newsletter pages, potentially leading to session theft, account takeover, or website defacement.
Recommendation
Immediately update the AcyMailing SMTP Newsletter plugin to a version newer than 10.11.0 if available, or apply temporary mitigations such as input and output filtering.
Other vulnerabilities in AcyMailing SMTP Newsletter
See all- CVE-2026-57739Critical
The AcyMailing SMTP Newsletter plugin for WordPress contains a Blind SQL Injection vulnerability due to improper neutralization of special elements in SQL commands. The issue affects versions up to and including 10.11.0.
- CVE-2026-28182Medium
Cross Site Scripting (XSS) vulnerability in AcyMailing SMTP Newsletter versions up to 10.11.1, exploitable by a user with Subscriber role.
- CVE-2026-28181Medium
Broken Access Control vulnerability in AcyMailing SMTP Newsletter up to version 10.11.1 allows a subscriber to gain unauthorized access to administrative functions.
- CVE-2026-57740High
The AcyMailing SMTP Newsletter plugin for WordPress contains a missing authorization vulnerability that allows exploiting incorrectly configured access control security levels. This issue affects versions up to and including 10.11.1.
Original NVD description (English source)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in AcyMailing Newsletter Team AcyMailing SMTP Newsletter acymailing allows Stored XSS.This issue affects AcyMailing SMTP Newsletter: from n/a through <= 10.11.0.