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CVE-2026-53992— Reflected XSS in ProjectSend thumbnails-regenerate.php via start_date / end_date Parameters

Quick assessment

Affected
ProjectSend ProjectSend
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.

ProjectSend是ProjectSend组织开源的一款文件管理与共享传输工具。 ProjectSend r2029版本存在跨站脚本漏洞，该漏洞源于thumbnails-regenerate.php文件未对start_date和end_date GET参数的值进行清理和转义，导致反射型跨站脚本攻击，攻击者可注入任意HTML和JavaScript，当经过身份验证的受害者访问特制URL时，可能导致窃取会话cookie或执行未经授权的操作。

CVSS 6.1 · Medium EPSS 0.40% · P32

Affected Version Matrix 1

VendorProduct Version RangeStatus
ProjectSend ProjectSend ≤ b4ad95b affected
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I. Basic Information for CVE-2026-53992

Vulnerability Information
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Vulnerability Title
Reflected XSS in ProjectSend thumbnails-regenerate.php via start_date / end_date Parameters
Source: CVE Program / CVE List V5
Vulnerability Description
ProjectSend r2029 contains a reflected cross-site scripting vulnerability in thumbnails-regenerate.php that allows remote attackers to inject arbitrary HTML and JavaScript by supplying unsanitized values in the start_date and end_date GET parameters, which are echoed unescaped into HTML attribute values. Attackers can craft a malicious URL that, when followed by an authenticated victim with edit_settings permissions, executes injected scripts in the application origin to steal session cookies or perform unauthorized actions including user management, file management, and application settings changes.
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
ProjectSend 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ProjectSend是ProjectSend组织开源的一款文件管理与共享传输工具。 ProjectSend r2029版本存在跨站脚本漏洞，该漏洞源于thumbnails-regenerate.php文件未对start_date和end_date GET参数的值进行清理和转义，导致反射型跨站脚本攻击，攻击者可注入任意HTML和JavaScript，当经过身份验证的受害者访问特制URL时，可能导致窃取会话cookie或执行未经授权的操作。
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
ProjectSend ProjectSend 0 ~ b4ad95b -

II. Public POCs for CVE-2026-53992

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III. Intelligence Information for CVE-2026-53992

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Patches & Fixes for CVE-2026-53992 (1)

Vendor Advisories for CVE-2026-53992 (1)

Vendor Pages for CVE-2026-53992 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-53992

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