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7.1

AcyMailing SMTP Newsletter can run malicious code in browsers

CVE-2026-105318 · published 26 days ago
Summary

The AcyMailing SMTP Newsletter add‑on for WordPress can be tricked into showing attacker‑controlled content, letting malicious scripts run in a visitor’s web browser. This could allow an attacker to steal information or perform actions as the user. Update the plugin to the newest version or apply the vendor’s patch to stop the issue.

What to do
  • Update datasolution acymailing smtp newsletter to version 11.1.1.
Affected software
VendorProductAffected versions
datasolution acymailing smtp newsletter <= 11.1.0
Fix: upgrade to 11.1.1
Original advisory text
WordPress AcyMailing SMTP Newsletter plugin <= 11.1.0 - Cross Site Scripting (XSS) vulnerability
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Datasolution AcyMailing SMTP Newsletter acymailing allows Reflected XSS.This issue affects AcyMailing SMTP Newsletter: from n/a through 11.1.0.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
7.1 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published9 Oct 2026
Updated20 Oct 2026
First seen9 Oct 2026
Sources
CVE-2026-105318 · NVD
CVE-2026-105318 · MITRE
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