AcyMailing SMTP Newsletter < 7.5.0 - Open Redirect

6.1
URL Redirection to Untrusted Site ('Open Redirect')
CVE CVE-2021-24288
CVSS 6.1 (Medium)
Publicly Published April 29, 2021
Last Updated January 22, 2024
Researcher Viktor Markopoulos

Description

When subscribing using AcyMailing versions before 7.5.0, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.

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Vulnerability Details for AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress

Software Type Plugin
Software Slug acymailing (view on wordpress.org)
Patched? Yes
Remediation Update to version 7.5.0, or a newer patched version
Affected Version
  • < 7.5.0
Patched Version
  • 7.5.0

Recent vulnerabilities in AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress

# Title CVE ID CVSS Researchers Date
1 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 11.0.4 - Unauthenticated Arbitrary File Read via 'user[name]' Parameter CVE-2026-77807 7.5 daroo September 10, 2026
2 AcyMailing SMTP Newsletter <= 10.11.1 - Missing Authorization CVE-2026-28181 4.3 Asim Alshaya August 13, 2026
3 AcyMailing SMTP Newsletter <= 10.11.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2026-28182 6.4 Asim Alshaya August 13, 2026
4 AcyMailing <= 10.11.1 - Authenticated (Subscriber+) Missing Authorization to Account Takeover via Notification Template Update CVE-2026-15426 8.8 d.v4n_s3c August 11, 2026
5 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress < 10.11.1 - Unauthenticated SQL Injection CVE-2026-14920 7.5 Pedro Pinho August 6, 2026
6 AcyMailing <= 10.10.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'alignment' Attribute CVE-2026-12170 6.4 Chloe Chamberland, Wordfence PRISM July 8, 2026
7 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 10.11.0 - Unauthenticated SQL Injection CVE-2026-57739 7.5 kai63001 July 6, 2026
8 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 10.11.1 - Missing Authorization CVE-2026-57740 4.3 anhcd05 July 6, 2026
9 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 10.11.0 - Unauthenticated Stored Cross-Site Scripting CVE-2026-57741 7.2 daroo July 6, 2026
10 AcyMailing <= 10.8.2 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation via 'acymailing_router' CVE-2026-5200 8.8 Azril Fathoni (kiseki) May 19, 2026

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