CVE-2025-63807CRITICAL 9.8EPSS p35.4%

CVE-2025-63807CVE-2025-63807

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.45% probability of exploitation · percentile 35.4% · 2026-06-19T12:03:05Z
Published2025-11-20
Last modified2026-01-15

Underlying weaknesses· 2

CWE-307CWE-1390

References

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

2

TypeTargetConfidenceTier
WeaknessWeak Authenticationcwe-13900%live
WeaknessImproper Restriction of Excessive Authentication Attemptscwe-3070%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.