CVE-2023-35392: Microsoft Edge (Chromium-based) Spoofing Vulnerability

Overview

Severity
Medium (CVSS 4.7)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C
Category
Edge - Chromium
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2023-Jul
Released
2023-07-21
EPSS Score
0.14% (percentile: 33.3%)

FAQ

According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? The vulnerability is in the web server, but the malicious scripts execute in the victim’s browser on their machine. According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? This vulnerability requires that a user have multiple browser instances open of the affected version of Microsoft Edge (Chromium-based), one of which is a specially crafted website hosted by the attacker. The user would need to access the URL of the malicious website and then click a popup displayed on that site. What is the version information for this release? Microsoft Edge Channel Microsoft Edge Version Based on Chromium Version Date Released Stable 115.0.1901.183 115.0.5790.98/99 7/21/2023 Extended Stable 114.0.1901.183 114.0.5735.243 7/21/2023

Affected Products (1)

Browser

  • Microsoft Edge (Chromium-based)

Acknowledgments

<a href="https://twitter.com/imnarendrabhati">Narendra Bhati</a> with <a href="https://www.linkedin.com/in/imnarendrabhati">Lead Penetration Tester at Suma Soft Pvt. Ltd. Pune, India</a>

Revision History

  • 2023-07-21: Information published.