Is CVE-2025-63807 actively exploited?

No active exploitation of CVE-2025-63807 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-63807 be exploited remotely?

Yes. CVE-2025-63807 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-63807?

CVE-2025-63807 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2025-63807

CRITICAL

CVE-2025-63807

CWE-307Published: November 20, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2025-63807 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.