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AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 10.11.1 — Missing Authorization

CVE-2026-57740Published · Updated

Action summary

Affected: ≤10.11.1Update to 11.0.0 or newer

All remediation steps
Watch plugin
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-862 Missing Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

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

  1. Affected≤ 10.11.1
  2. Patched in11.0.0

Update to 11.0.0 or newer.

You are affected if you run ≤ 10.11.1. Version 11.0.0 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 11.0.0, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to anhcd05.

The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 10.11.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform an unauthorized action.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

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

All 19
More vulnerabilities in AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via 'customField[]' Parameter
≤11.1.0Update to 11.1.1
CVE-2026-102562
High7.2Unauthenticated Stored Cross-Site Scripting
≤11.1.0Update to 11.1.1
CVE-2026-105318
Critical9.1Unauthenticated Arbitrary File Deletion
≤11.0.5Update to 11.1.0
CVE-2026-95588
Critical9.8Unauthenticated Remote Code Execution
≤11.0.5Update to 11.1.0
CVE-2026-94389
High7.5Unauthenticated Arbitrary File Read via 'user[name]' Parameter
≤11.0.4Update to 11.0.5
CVE-2026-77807

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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