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Anti-Malware Security and Brute-Force Firewall <= 4.23.81 — Missing Authorization to Authenticated (Subscriber+) Arbitrary File Read

CVE-2025-11705Published · Updated

Action summary

Affected: ≤4.23.81Update to 4.23.83 or newer

All remediation steps
Severity
Medium6.5
CVSS
6.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:H Confidentiality
High
I:N Integrity
None
A:N Availability
None
Weakness
CWE-862 Missing Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

Anti-Malware Security and Brute-Force Firewall gotmls

  1. Affected≤ 4.23.81
  2. Patched in4.23.83

Update to 4.23.83 or newer.

You are affected if you run ≤ 4.23.81. Version 4.23.83 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Anti-Malware Security and Brute-Force Firewall.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 4.23.83, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Anti-Malware Security and Brute-Force Firewall to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Dmitrii Ignatyev.

The Anti-Malware Security and Brute-Force Firewall plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to, and including, 4.23.81 due to a missing capability check combined with an information exposure in several GOTMLS_* AJAX actions. This makes it possible for authenticated attackers, with Subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Anti-Malware Security and Brute-Force Firewall

All 11
More vulnerabilities in Anti-Malware Security and Brute-Force Firewall
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting
≤4.23.89Update to 4.23.90
CVE-2026-57691
High7.5Authenticated (Contributor+) PHP Object Injection
≤4.23.87Update to 4.23.88
CVE-2026-39478
Critical9.0Unauthenticated Remote Code Execution
≤4.21.96Update to 4.23.56
CVE-2024-22144
High7.2Authenticated (Admin+) PHP Object Injection
≤4.21.85Update to 4.21.86
CVE-2022-4327
Medium6.1Reflected Cross-Site Scripting
<4.20.96Update to 4.20.96
CVE-2022-0953

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent HeaderCVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form SubmissionCVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' ParameterCVE-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 6.5

  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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