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CVE-2026-15665— Fluent Support <= 2.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'redirect-to' Shortcode Attribute

Quick assessment

Affected
wpmanageninja Fluent Support – Helpdesk & Customer Support Ticket System
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 Fluent Support是WordPress基金会的一个客服系统组件。 WordPress Fluent Support 2.3.0及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，容易受到存储型跨站脚本攻击。

CVSS 6.4 · Medium EPSS 0.34% · P26

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpmanageninja Fluent Support – Helpdesk & Customer Support Ticket System ≤ 2.3.0 affected
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I. Basic Information for CVE-2026-15665

Vulnerability Information
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Vulnerability Title
Fluent Support <= 2.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'redirect-to' Shortcode Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The Fluent Support – Helpdesk & Customer Support Ticket System plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'redirect-to' Shortcode Attribute in all versions up to, and including, 2.3.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The XSS payload is in a hidden attribute so it only fires in specific browsers when specific access keys are used making exploitation unlikely.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Fluent Support 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Fluent Support是WordPress基金会的一个客服系统组件。 WordPress Fluent Support 2.3.0及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，容易受到存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpmanageninja Fluent Support – Helpdesk & Customer Support Ticket System 0 ~ 2.3.0 -

II. Public POCs for CVE-2026-15665

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III. Intelligence Information for CVE-2026-15665

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Patches & Fixes for CVE-2026-15665 (3)

News Coverage for CVE-2026-15665 (1)

IV. Related Vulnerabilities

Same product: Fluent Support – Helpdesk & Customer Support Ticket System
Same vendor: wpmanageninja
Same weakness: CWE-79

V. Comments for CVE-2026-15665

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