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CVE-2026-103370— Awesome Support <= 6.4.1 - Authenticated (Custom+) Stored Cross-Site Scripting via Ticket Attachment MIME Confusion

Quick assessment

Affected
awesomesupport Awesome Support – WordPress HelpDesk & Support Plugin
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 插件"Aweome Support – WordPress HelpDesk & Support Plugin"在所有 6.4.1 及以下版本中，由于输入清理和输出转义不足，存在通过"wpas_files"参数引发的存储型跨站脚本（Stored XSS）漏洞。该漏洞允许拥有自定义级别及以上权限的已认证攻击者，在用户访问被注入的页面时，向页面中注入任意 Web 脚本并执行。此漏洞仅在启用“为工单表单启用拖放上传器”设置时才可被利用，而该设置默认处于关闭状态。

CVSS 6.4 · Medium EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
awesomesupport Awesome Support – WordPress HelpDesk & Support Plugin ≤ 6.4.1 affected
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I. Basic Information for CVE-2026-103370

Vulnerability Information
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Vulnerability Title
Awesome Support <= 6.4.1 - Authenticated (Custom+) Stored Cross-Site Scripting via Ticket Attachment MIME Confusion
Source: CVE Program / CVE List V5
Vulnerability Description
The Awesome Support – WordPress HelpDesk & Support Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wpas_files' parameter in all versions up to, and including, 6.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with custom-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This vulnerability is only exploitable when the "Enable drag-n-drop uploader for ticket form" setting is enabled, as it is disabled by default.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
awesomesupport Awesome Support – WordPress HelpDesk & Support Plugin 0 ~ 6.4.1 -

II. Public POCs for CVE-2026-103370

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III. Intelligence Information for CVE-2026-103370

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Patches & Fixes for CVE-2026-103370 (1)

Vendor Pages for CVE-2026-103370 (2)

IV. Related Vulnerabilities

Same product: Awesome Support – WordPress HelpDesk & Support Plugin
Same vendor: awesomesupport
Same weakness: CWE-79