PerfreeBlog Hard-Coded Cryptographic Key Vulnerability in JWT Handler

Vulnerability

A vulnerability exists in PerfreeBlog version 4.0.11 within the JWT Handler component, specifically in the JwtUtil function. This vulnerability involves the use of a hard-coded cryptographic key, which could potentially be exploited remotely. However, the complexity of the attack is considered high, making exploitation difficult.

Impact

The vulnerability allows for the use of a hard-coded cryptographic key, which could lead to unauthorized access or manipulation of data that relies on this key for encryption or authentication.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
1.0
impact
2.5
exploitability
8.9
remediation
0.0
relevance
0.0
threat
6.4
urgency
2.9
incentive
5.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.