CVE-2025-63807

An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit 9e06bab430bfc729f27b4284ba7570db3b11ce84 (2025-01-13)

Critical · published November 20, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
43.5
In the wild
Unconfirmed
What it is

🔥 A weak verification code generator combined with zero rate limiting means attackers can brute-force their way in without breaking a sweat! Think of it like a hotel with a faulty keycard system that lets anyone try as many codes as they want to unlock the door to a guest's room — no ID check needed! 🤦‍♂️ If exploited, an attacker could easily take over accounts via password resets, leaving users vulnerable to identity theft, data breaches, or worse. Imagine waking up to find someone else has taken over your entire online presence! This is absolutely devastating!

Put simply

Think of it like a hotel with a faulty keycard system that lets anyone try as many codes as they want to unlock the door to a guest's room — no ID check needed! 🤦‍♂️ This vulnerability in the Blogin system allows attackers to bypass authentication by exploiting a weak verification code mechanism, making it easy to perform brute-force attacks.

What to do

If exploited, an attacker could easily take over accounts via password resets, leaving users vulnerable to identity theft, data breaches, or worse. Imagine waking up to find someone else has taken over your entire online presence! This is absolutely devastating! Immediately patch to the latest version of Blogin and implement strong rate limiting on verification code requests. Additionally, enhance the verification code complexity to thwart brute-force attempts. 🛡️ You've got this! Secure your systems now, and you’ll be a security hero in no time! 🦸

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00523 · 43.5th percentile
Published
2025-11-20T00:00Z
EPSS history
Timeline
  • 20 NOV 00:00Z
    An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit 9e06bab430bfc729f27b4284ba7570db3b11ce84 (2025-01-13)
    cvelistv5