CVE-2020-15963

Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension…

published September 21, 2020

CVSS
—
EPSS
1%
Percentile
73.6
In the wild
Unconfirmed
What it is

🚨 Chrome extensions can be a double-edged sword! An insufficient policy enforcement flaw in Google Chrome before version 85.0.4183.121 could allow crafty attackers to escape the browser's sandbox. 🔥 Think of it like a restaurant with a strict menu, but the chef has a hidden door to the kitchen—once someone opens it, all bets are off! This vulnerability lets malicious extensions wander beyond their intended limits, potentially accessing sensitive data. If exploited, an attacker could unleash their extension to access private information, potentially snooping on your online activities or stealing credentials. While the exploit isn't widely acknowledged, the implications could be unsettling, compromising your digital fortress.

Put simply

Think of it like a restaurant with a strict menu, but the chef has a hidden door to the kitchen—once someone opens it, all bets are off! This vulnerability lets malicious extensions wander beyond their intended limits, potentially accessing sensitive data. This vulnerability arises from insufficient policy enforcement within Chrome's extension framework, allowing maliciously crafted extensions to attempt a sandbox escape and access resources outside their intended scope.

What to do

If exploited, an attacker could unleash their extension to access private information, potentially snooping on your online activities or stealing credentials. While the exploit isn't widely acknowledged, the implications could be unsettling, compromising your digital fortress. To stay secure, update Chrome immediately to version 85.0.4183.121 or later. Regularly review installed extensions and remove any that seem dubious or unnecessary to minimize risk. You've got this! Keep your browser up to date and your online experience secure. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01473 · 73.6th percentile
Published
2020-09-21T19:06Z
EPSS history
Timeline
  • 21 SEP 19:06Z
    Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension…
    cvelistv5