CVE-2023-40397

The issue was addressed with improved checks

published September 6, 2023

CVSS
—
EPSS
2%
Percentile
76.7
In the wild
Unconfirmed
What it is

⚠️ A remote attacker could sneak in arbitrary JavaScript code execution on macOS systems if they play their cards right! Think of it like a restaurant where a waiter takes note of your order but then secretly adds a spicy ingredient to your dish without your consent — it could totally change your experience! If a malicious actor successfully exploits this, they could run any JavaScript they want on your device, potentially stealing sensitive information or taking over your system. It's like giving someone behind the counter the ability to swap your meal for something unpalatable — absolutely devastating!

Put simply

Think of it like a restaurant where a waiter takes note of your order but then secretly adds a spicy ingredient to your dish without your consent — it could totally change your experience! This vulnerability allows attackers to execute arbitrary JavaScript code remotely due to insufficient checks in macOS. Essentially, if they send a crafted request, they can manipulate the execution context on your system.

What to do

If a malicious actor successfully exploits this, they could run any JavaScript they want on your device, potentially stealing sensitive information or taking over your system. It's like giving someone behind the counter the ability to swap your meal for something unpalatable — absolutely devastating! To mitigate this, update your macOS to Ventura 13.5 immediately! Regularly check for updates and apply them as they become available to stay secure. Don't let the bad guys slip through! You've got this! Stay vigilant and keep your devices updated. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01674 · 76.7th percentile
Published
2023-09-06T20:48Z
EPSS history
Timeline
  • 06 SEP 20:48Z
    The issue was addressed with improved checks
    cvelistv5