CVE-2025-63807

State: Published
Severity: 9.8 Critical
Published: Nov 20, 2025
Updated: Nov 21, 2025
Reserved: Oct 27, 2025

Description

An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit 9e06bab430bfc729f27b4284ba7570db3b11ce84 (2025-01-13). A weak verification code generation mechanism combined with missing rate limiting allows attackers to perform brute-force attacks on verification codes without authentication. Successful exploitation may result in account takeover via password reset or other authentication bypass methods.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-1390 Weak Authentication
CWE-307 Improper Restriction of Excessive Authentication Attempts

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://gist.github.com/Rycarl-Furry/3e93c6f0d48a29518adf341e0fc7e2dd

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