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I. Basic Information for CVE-2025-59833
Vulnerability Information

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Vulnerability Title
FlagForgeCTF Hint Exposure via API
Source: NVD (National Vulnerability Database)
Vulnerability Description
Flag Forge is a Capture The Flag (CTF) platform. In versions from 2.1.0 to before 2.3.0, the API endpoint GET /api/problems/:id returns challenge hints in plaintext within the question object, regardless of whether the user has unlocked them via point deduction. Users can view all hints for free, undermining the business logic of the platform and reducing the integrity of the challenge system. This issue has been patched in version 2.3.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Flag Forge 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flag Forge是FlagForge开源的一个易于使用的CTF平台。 Flag Forge 2.1.0版本至2.3.0之前版本存在信息泄露漏洞,该漏洞源于API端点GET /api/problems/:id以明文返回挑战提示,可能导致业务逻辑被破坏。
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
FlagForgeCTFflagForge >= 2.1.0, < 2.3.0 -
II. Public POCs for CVE-2025-59833
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III. Intelligence Information for CVE-2025-59833
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IV. Related Vulnerabilities
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