CVE-2025-45890

Directory Traversal vulnerability in novel plus before v.5.1.0 allows a remote attacker to execute arbitrary code via the filePath parameter

Critical · published June 20, 2025

CVSS v3.1
9.8
EPSS
2%
Percentile
75.0
In the wild
Unconfirmed
What it is

🚨 A sneaky directory traversal flaw in Novel Plus before version 5.1.0 can let attackers run arbitrary code on your server — that's like a delivery driver taking shortcuts straight into your living room! 🔥 Imagine your front door has a secret back entrance that delivery people can use to drop packages right inside your house without ever checking who they are. That's what this vulnerability does with your server's files. An attacker could exploit this vulnerability to execute any code they wish, gaining full control over your server. This means they could steal sensitive data, modify files, or even take your entire system down. The potential fallout is absolutely devastating for any business relying on Novel Plus!

Put simply

Imagine your front door has a secret back entrance that delivery people can use to drop packages right inside your house without ever checking who they are. That's what this vulnerability does with your server's files. This directory traversal vulnerability allows remote attackers to manipulate the filePath parameter, enabling them to traverse the server's file system and execute harmful code with potentially devastating effects.

What to do

An attacker could exploit this vulnerability to execute any code they wish, gaining full control over your server. This means they could steal sensitive data, modify files, or even take your entire system down. The potential fallout is absolutely devastating for any business relying on Novel Plus! Immediately upgrade Novel Plus to version 5.1.0 or later to patch this vulnerability. Review your server configurations to ensure strict input validation on the filePath parameter. Consider implementing additional security measures, such as Web Application Firewalls, to further protect your environment. You've got this! Follow these steps and you’ll lock down your server 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
0.01558 · 75.0th percentile
Published
2025-06-20T00:00Z
EPSS history
Timeline
  • 20 JUN 00:00Z
    Directory Traversal vulnerability in novel plus before v.5.1.0 allows a remote attacker to execute arbitrary code via the filePath parameter
    cvelistv5