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WordPress plugin

Helpdesk Support Ticket System for WooCommerce <= 2.1.6 — Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Ticket Response Deletion via 'id' Parameter

CVE-2026-11399Published · Updated

Action summary

Affected: ≤2.1.6Update to 2.2.0 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-639 Authorization Bypass Through User-Controlled Key
Required access
Unknown
Exploit prediction (EPSS)
0.2% chance in 30 days5th percentile
CISA KEV
Not listed
On this page8

Am I affected?

Helpdesk Support Ticket System for WooCommerce support-ticket-system-for-woocommerce

  1. Affected≤ 2.1.6
  2. Patched in2.2.0

Update to 2.2.0 or newer.

You are affected if you run ≤ 2.1.6. Version 2.2.0 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Helpdesk Support Ticket System for WooCommerce.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.2.0, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Helpdesk Support Ticket System for WooCommerce to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Saruul.

The Helpdesk Support Ticket System for WooCommerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.1.6 via the 'id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary ticket responses belonging to other users by supplying any stsw_responses row ID to the deletion handler after obtaining the nonce from the admin footer.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Helpdesk Support Ticket System for WooCommerce

All 4
More vulnerabilities in Helpdesk Support Ticket System for WooCommerce
SeverityVulnerabilityCVEPublished
Medium5.3Missing Authorization
≤2.1.2Update to 2.1.3
CVE-2026-23977
Medium5.4Missing Authorization
≤2.1.1Update to 2.1.2
CVE-2025-57972
Critical9.8Unauthenticated Arbitrary File Upload
≤2.1.0No patch available
CVE-2025-60235

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.
EPSS
Exploit Prediction Scoring System by FIRST.org.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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