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CVE-2026-28274— Initiative Vulnerable to Token Theft via Stored XSS in Document Uploads

Quick assessment

Affected
Morelitea initiative
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Initiative是Morelitea开源的一个项目管理平台。 Initiative 0.32.4之前版本存在代码问题漏洞，该漏洞源于文档上传功能中存在存储型跨站脚本，可能导致身份验证令牌和会话Cookie泄露。

CVSS 8.7 · High EPSS 0.56% · P45
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I. Basic Information for CVE-2026-28274

Vulnerability Information
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Vulnerability Title
Initiative Vulnerable to Token Theft via Stored XSS in Document Uploads
Source: CVE Program / CVE List V5
Vulnerability Description
Initiative is a self-hosted project management platform. Versions of the application prior to 0.32.4 are vulnerable to Stored Cross-Site Scripting (XSS) in the document upload functionality. Any user with upload permissions within the "Initiatives" section can upload a malicious `.html` or `.htm` file as a document. Because the uploaded HTML file is served under the application's origin without proper sandboxing, the embedded JavaScript executes in the context of the application. As a result, authentication tokens, session cookies, or other sensitive data can be exfiltrated to an attacker-controlled server. Additionally, since the uploaded file is hosted under the application's domain, simply sharing the direct file link may result in execution of the malicious script when accessed. Version 0.32.4 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/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
Initiative 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Initiative是Morelitea开源的一个项目管理平台。 Initiative 0.32.4之前版本存在代码问题漏洞，该漏洞源于文档上传功能中存在存储型跨站脚本，可能导致身份验证令牌和会话Cookie泄露。
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
Morelitea initiative < 0.32.4 -

II. Public POCs for CVE-2026-28274

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7615 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-28274

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Same Patch Batch · Morelitea · 2026-02-26 · 3 CVEs total

CVE-2026-28275 8.1 HIGH Initiative Vulnerable to Improper Session Invalidation (JWT Remains Valid)
CVE-2026-28276 7.5 HIGH Initiative Allows Unauthenticated Access to Uploaded Documents via Public /uploads/ Endpoi

IV. Related Vulnerabilities

Same product: initiative
Same vendor: Morelitea
Same weakness: CWE-79

V. Comments for CVE-2026-28274

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