CVE-2007-3826

Microsoft Internet Explorer 7 on Windows XP SP2 allows remote attackers to prevent users from leaving a site, spoof the address bar, and conduct phishing and…

published July 17, 2007

CVSS
—
EPSS
29%
Percentile
98.1
In the wild
Unconfirmed
What it is

⚠️ A sneaky behavior in Internet Explorer 7 could keep users locked on a page, preventing them from leaving as attackers spoof the address bar! 🚨 Think of it like a persistent salesperson who won't let you exit a store, distracting you with fake discounts while presenting a misleading sign about prices. This vulnerability exploits the browser's ability to repeatedly open pages before the user is alerted they’re trying to navigate away. An attacker could use this to trap users on a malicious site, disguising it as a legitimate one. Users might unknowingly hand over sensitive information or fall victim to phishing scams, leading to identity theft or compromised accounts – absolutely devastating!

Put simply

Think of it like a persistent salesperson who won't let you exit a store, distracting you with fake discounts while presenting a misleading sign about prices. This vulnerability exploits the browser's ability to repeatedly open pages before the user is alerted they’re trying to navigate away. This vulnerability arises from a flaw in how Internet Explorer 7 handles repeated document.open calls. By executing this before the onBeforeUnload event triggers, the attacker can manipulate the browser's address bar and stifle navigation away from the malicious site.

What to do

An attacker could use this to trap users on a malicious site, disguising it as a legitimate one. Users might unknowingly hand over sensitive information or fall victim to phishing scams, leading to identity theft or compromised accounts – absolutely devastating! While this is not known to be actively exploited, it's wise to encourage users to upgrade to a more secure browser version. Additionally, educating users about avoiding unfamiliar sites and being cautious with links can bolster protection. You've got this! Encourage safe browsing habits and consider upgrading for better security. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.28739 · 98.1th percentile
Published
2007-07-17T21:00Z
EPSS history
Timeline
  • 17 JUL 21:00Z
    Microsoft Internet Explorer 7 on Windows XP SP2 allows remote attackers to prevent users from leaving a site, spoof the address bar, and conduct phishing and…
    cvelistv5