What is CVE-2025-63807?

CVE-2025-63807 is a critical-severity vulnerability in 2dogz Blogin, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2025-11-20.

How severe is CVE-2025-63807?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in 2dogz Blogin

CVE-2025-63807

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 perf…

EPSS: 0.004 (35.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

2dogz Blogin
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63807?: CVE-2025-63807 is a critical-severity vulnerability in 2dogz Blogin, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2025-11-20.
How severe is CVE-2025-63807?: Critical severity. CVSS v3 base score is 9.8 out of 10.