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CVE-2026-73531— django-helpdesk < 2.3.3 Stored XSS via HTML Attachments

Quick assessment

Affected
django-helpdesk django-helpdesk
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.

Django Helpdesk django-helpdesk是Django Helpdesk组织开源的一款帮助台工单管理系统。 Django Helpdesk django-helpdesk 2.3.3之前版本存在跨站脚本漏洞，该漏洞源于对附件服务层缺少清理和Content-Disposition标头，可能导致未经身份验证的攻击者通过提交HTML格式的电子邮件或上传.html/.htm附件注入任意JavaScript，当认证员工打开附件时执行。

CVSS 6.1 · Medium EPSS 0.29% · P19

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell

Affected Version Matrix 1

VendorProduct Version RangeStatus
django-helpdesk django-helpdesk < 2.3.3 affected
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I. Basic Information for CVE-2026-73531

Vulnerability Information
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Vulnerability Title
django-helpdesk < 2.3.3 Stored XSS via HTML Attachments
Source: CVE Program / CVE List V5
Vulnerability Description
django-helpdesk before 2.3.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject arbitrary JavaScript by submitting HTML-formatted email messages or uploading .html/.htm file attachments through public ticket submission channels. Attackers can exploit the lack of sanitization and Content-Disposition headers at the attachment-serving layer to execute malicious scripts in the browser session of authenticated staff members who open the attachment while triaging tickets.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
Django Helpdesk django-helpdesk 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Django Helpdesk django-helpdesk是Django Helpdesk组织开源的一款帮助台工单管理系统。 Django Helpdesk django-helpdesk 2.3.3之前版本存在跨站脚本漏洞，该漏洞源于对附件服务层缺少清理和Content-Disposition标头，可能导致未经身份验证的攻击者通过提交HTML格式的电子邮件或上传.html/.htm附件注入任意JavaScript，当认证员工打开附件时执行。
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
django-helpdesk django-helpdesk 0 ~ 2.3.3 -

II. Public POCs for CVE-2026-73531

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III. Intelligence Information for CVE-2026-73531

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Vendor Advisories for CVE-2026-73531 (2)

IV. Related Vulnerabilities

Same product: django-helpdesk
Same vendor: django-helpdesk
Same weakness: CWE-79

V. Comments for CVE-2026-73531

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