Vulnerability Information
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Vulnerability Title
Formbricks missing JWT signature verification
Vulnerability Description
Formbricks is an open source qualtrics alternative. Prior to version 4.0.1, Formbricks is missing JWT signature verification. This vulnerability stems from a token validation routine that only decodes JWTs (jwt.decode) without verifying their signatures. Both the email verification token login path and the password reset server action use the same validator, which does not check the token’s signature, expiration, issuer, or audience. If an attacker learns the victim’s actual user.id, they can craft an arbitrary JWT with an alg: "none" header and use it to authenticate and reset the victim’s password. This issue has been patched in version 4.0.1.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Vulnerability Type
密码学签名的验证不恰当
Vulnerability Title
formbricks 数据伪造问题漏洞
Vulnerability Description
formbricks是Formbricks开源的一个调查系统。 formbricks 4.0.1之前版本存在数据伪造问题漏洞，该漏洞源于缺少JWT签名验证，可能导致任意JWT伪造和密码重置。
CVSS Information
N/A
Vulnerability Type
N/A