CVE-2024-42366CWE-269CWE-79

VR Overlay RCE

Critical · published August 8, 2024

CVSS v3.1
9.1
EPSS
1%
Percentile
55.7
In the wild
Unconfirmed
What it is

🚨 A sneaky combination of over-permission and cross-site scripting in VRCX could let attackers execute commands remotely! 🔥 Think of VRCX like a restaurant where a waiter can sneakily serve a dish that wasn’t ordered — if they get too much access, they could cause chaos in the kitchen! 🍽️ In the wrong hands, this vulnerability could lead to an attacker taking complete control of your VRChat experience, potentially deleting your data or using your account to wreak havoc in the virtual world. It’s not just a prank; it’s a full-on digital invasion!

Put simply

Think of VRCX like a restaurant where a waiter can sneakily serve a dish that wasn’t ordered — if they get too much access, they could cause chaos in the kitchen! 🍽️ This vulnerability stems from a CefSharp browser that allows excessive permissions and enables cross-site scripting through overlay notifications, which attackers can exploit to execute remote commands on the user's system.

What to do

In the wrong hands, this vulnerability could lead to an attacker taking complete control of your VRChat experience, potentially deleting your data or using your account to wreak havoc in the virtual world. It’s not just a prank; it’s a full-on digital invasion! Update VRCX to version 2023.12.24 immediately to patch this critical flaw, and ensure you’re using the latest version to maintain access to the VRC API. If you’re still on an older version, it’s time to upgrade! 🛡️ You’ve got this! By taking these steps, you’ll be securing your VRChat experience and keeping the digital villains at bay! 💪🎮

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00787 · 55.7th percentile
Weaknesses
CWE-269 · Improper Privilege Management; CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2024-08-08T16:51Z
EPSS history
Timeline
  • 08 AUG 16:51Z
    VR Overlay RCE
    cvelistv5