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I. Basic Information for CVE-2025-52552
Vulnerability Information

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Vulnerability Title
FastGPT LastRoute Parameter on Login Page Vulnerable to Open Redirect and DOM-based XSS
Source: NVD (National Vulnerability Database)
Vulnerability Description
FastGPT is an AI Agent building platform. Prior to version 4.9.12, the LastRoute Parameter on login page is vulnerable to open redirect and DOM-based XSS. Improper validation and lack of sanitization of this parameter allows attackers execute malicious JavaScript or redirect them to attacker-controlled sites. This issue has been patched in version 4.9.12.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
FastGPT 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FastGPT是labring开源的一款基于大语言模型的开源知识库问答系统。 FastGPT 4.9.12之前版本存在输入验证错误漏洞,该漏洞源于LastRoute参数验证不足,可能导致开放重定向和DOM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
VendorProductAffected VersionsCPESubscribe
labringFastGPT < 4.9.12 -
II. Public POCs for CVE-2025-52552
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III. Intelligence Information for CVE-2025-52552
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IV. Related Vulnerabilities
V. Comments for CVE-2025-52552

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