CVE-2023-49785CWE-79CWE-918

NextChat vulnerable to Server-Side Request Forgery and Cross-site Scripting

Critical · published March 11, 2024

Patch now

High probability of exploitation

CVSS calls it critical at 9.1. It sits in the 99.7th percentile for exploit probability.

CVSS v3.1
9.1
EPSS
83%
Percentile
99.7
In the wild
Unconfirmed
What it is

🚨 An unfixed vulnerability in NextChat could let attackers secretly read and write data to your internal endpoints! 🔥 Think of this flaw like a sneaky delivery person who not only knows how to access your internal mailbox but can also send fake packages from your address without anyone noticing. It's like granting the ultimate access pass without a thorough background check! With this server-side request forgery and cross-site scripting vulnerability, attackers can gain unauthorized read and write access to sensitive internal HTTP endpoints. Imagine them slipping in, altering data, or even using your system to launch attacks on other targets while masking their true identity — absolutely devastating!

Put simply

Think of this flaw like a sneaky delivery person who not only knows how to access your internal mailbox but can also send fake packages from your address without anyone noticing. It's like granting the ultimate access pass without a thorough background check! The CVE-2023-49785 vulnerability in NextChat allows attackers to exploit server-side request forgery (SSRF) and cross-site scripting (XSS) to access and manipulate internal resources without proper authorization.

What to do

With this server-side request forgery and cross-site scripting vulnerability, attackers can gain unauthorized read and write access to sensitive internal HTTP endpoints. Imagine them slipping in, altering data, or even using your system to launch attacks on other targets while masking their true identity — absolutely devastating! To mitigate this risk, avoid exposing the application to the public internet. If it must be accessible, ensure it's on an isolated network that cannot reach internal resources. Regularly review your security settings and keep an eye out for any available patches! You've got this! Stay proactive and keep your defenses up! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.83163 · 99.7th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-918 · Server-Side Request Forgery (SSRF)
Published
2024-03-11T23:26Z
EPSS history
Timeline
  • 11 MAR 23:26Z
    NextChat vulnerable to Server-Side Request Forgery and Cross-site Scripting
    cvelistv5