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CVE-2026-41467— ProjeQtor < 12.4.4 Stored XSS via checkValidFileName()

Quick assessment

Affected
ProjeQtor ProjeQtor
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.

ProjeQtOr是法国ProjeQtOr公司的一款项目管理软件。 ProjeQtor 7.0版本至12.4.3版本存在跨站脚本漏洞，该漏洞源于文件上传功能中checkValidFileName()函数未限制HTML和HTM文件上传，可能导致存储型跨站脚本攻击。

CVSS 5.4 · Medium EPSS 0.30% · P20

Affected Version Matrix 2

VendorProduct Version RangeStatus
ProjeQtor ProjeQtor 7.0≤ 12.4.3 affected
12.4.4 unaffected
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I. Basic Information for CVE-2026-41467

Vulnerability Information
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Vulnerability Title
ProjeQtor < 12.4.4 Stored XSS via checkValidFileName()
Source: CVE Program / CVE List V5
Vulnerability Description
ProjeQtor versions 7.0 through 12.4.3 contain a stored cross-site scripting vulnerability in the file upload functionality where the checkValidFileName() function fails to restrict HTML and HTM file uploads. Authenticated attackers can upload HTML files containing arbitrary JavaScript through the image upload or attachment endpoints, and any user accessing the uploaded file URL will execute the embedded JavaScript in their browser.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
ProjeQtOr 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ProjeQtOr是法国ProjeQtOr公司的一款项目管理软件。 ProjeQtor 7.0版本至12.4.3版本存在跨站脚本漏洞，该漏洞源于文件上传功能中checkValidFileName()函数未限制HTML和HTM文件上传，可能导致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
ProjeQtor ProjeQtor 7.0 ~ 12.4.3 -

II. Public POCs for CVE-2026-41467

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III. Intelligence Information for CVE-2026-41467

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Vendor Advisories for CVE-2026-41467 (1)

Security Blog Posts for CVE-2026-41467 (1)

Vendor Pages for CVE-2026-41467 (1)

Other References for CVE-2026-41467 (1)

Same Patch Batch · ProjeQtor · 2026-04-27 · 6 CVEs total

CVE-2026-41462 9.8 CRITICAL ProjeQtor < 12.4.4 Unauthenticated SQL Injection via Login
CVE-2026-41463 8.8 HIGH ProjeQtor < 12.4.4 ZipSlip Path Traversal via uploadPlugin.php
CVE-2026-41464 6.5 MEDIUM ProjeQtor < 12.4.4 Missing Authorization via objectDetail.php
CVE-2026-41465 6.5 MEDIUM ProjeQtor < 12.4.4 Path Traversal via dynamicDialog.php
CVE-2026-41466 5.4 MEDIUM ProjeQtor < 12.4.4 Stored XSS via checkValidHtmlText()

IV. Related Vulnerabilities

Same product: ProjeQtor
Same vendor: ProjeQtor
Same weakness: CWE-79

V. Comments for CVE-2026-41467

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