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WooCommerce AJAX Product Filters <= 1.3.6 — Arbitrary Settings Update

d5d23fdc-081a-4228-897f-2470a9327887Published · Updated

Action summary

Affected: <1.3.7Update to 1.3.7 or newer

All remediation steps
Watch plugin
Severity
High8.3
CVSS
8.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:L Availability
Low
Weakness
CWE-269 Privilege Escalation
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Advanced AJAX Product Filters woocommerce-ajax-filters

  1. Affected< 1.3.7
  2. Patched in1.3.7

Update to 1.3.7 or newer.

You are affected if you run < 1.3.7. Version 1.3.7 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Advanced AJAX Product Filters.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 1.3.7, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Advanced AJAX Product Filters to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Sucuri Research Team.

The WooCommerce AJAX Product Filters plugin for WordPress is vulnerable to Arbitrary Settings Update in versions up to, and including, 1.3.6. This is due to incorrect usage of the admin_init hook. This makes it possible for unauthenticated attackers to change any of the plugin settings and redirect users to malicious URLs.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Advanced AJAX Product Filters

All 5
More vulnerabilities in Advanced AJAX Product Filters
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting
≤3.2.0.3Update to 3.2.1
CVE-2026-66439
High8.8Authenticated (Author+) PHP Object Injection via Live Composer Compatibility
≤3.1.9.6Update to 3.1.9.7
CVE-2026-1426
Medium6.1Reflected Cross-Site Scripting
≤1.6.8.1Update to 1.6.8.2
CVE-2025-1505
Medium6.1Reflected Cross-Site Scripting
≤1.5.4.6Update to 1.5.4.7
CVE-2021-24432

Same weakness (Privilege Escalation)

All Privilege Escalation
Other Privilege Escalation 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 high, CVSS 8.3

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
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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