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CVE-2026-11399— Helpdesk Support Ticket System for WooCommerce <= 2.1.6 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Ticket Response Deletion via 'id' Parameter

Quick assessment

Affected
wpcodefactory Helpdesk Support Ticket System for WooCommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 的 WooCommerce 帮助台工单支持系统插件（Helpdesk Support Ticket System for WooCommerce）在所有版本（包括 2.1.6 及以下）中存在不安全的直接对象引用（Insecure Direct Object Reference）漏洞。该漏洞源于对用户可控的 ‘id’ 参数缺乏验证。这使得具有订阅者（subscriber）及以上权限的经过身份认证的攻击者，能够通过从管理员页脚获取 nonce 值，并向删除处理程序提供任意 stsw_response

CVSS 4.3 · Medium EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpcodefactory Helpdesk Support Ticket System for WooCommerce ≤ 2.1.6 affected
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I. Basic Information for CVE-2026-11399

Vulnerability Information
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Vulnerability Title
Helpdesk Support Ticket System for WooCommerce <= 2.1.6 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary Ticket Response Deletion via 'id' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpcodefactory Helpdesk Support Ticket System for WooCommerce 0 ~ 2.1.6 -

II. Public POCs for CVE-2026-11399

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III. Intelligence Information for CVE-2026-11399

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News Coverage for CVE-2026-11399 (1)

IV. Related Vulnerabilities

Same product: Helpdesk Support Ticket System for WooCommerce
Same vendor: wpcodefactory
Same weakness: CWE-639

V. Comments for CVE-2026-11399

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