Learn about CVE-2023-49061, a critical vulnerability in Firefox for iOS < 120 allowing HTML injection via Reader Mode leading to data exfiltration. Find mitigation steps and updates here.
A critical vulnerability has been identified in Firefox for iOS that could allow an attacker to perform HTML template injection via Reader Mode and exfiltrate user information.
Understanding CVE-2023-49061
This section provides detailed insights into the impact, technical details, and mitigation strategies related to CVE-2023-49061.
What is CVE-2023-49061?
The vulnerability in question enables an attacker to execute HTML template injection through Reader Mode, posing a risk of extracting sensitive user data. Specifically affecting Firefox for iOS versions less than 120, this flaw requires immediate attention to prevent potential data breaches.
The Impact of CVE-2023-49061
With the exploitation of this vulnerability, malicious actors could compromise user privacy by injecting malicious HTML code and retrieving confidential information. Organizations and individuals using affected versions of Firefox for iOS are at risk of data exfiltration.
Technical Details of CVE-2023-49061
Explore the specific aspects of the vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability facilitates HTML injection in the %READER-BYLINE% section of Reader Mode, providing attackers with a vector to extract user data surreptitiously.
Affected Systems and Versions
Firefox for iOS versions below 120 are susceptible to this security flaw, making users of these versions potential targets for malicious exploitation.
Exploitation Mechanism
By leveraging HTML template injection via Reader Mode, threat actors can infiltrate the application's environment, manipulate user data, and extract sensitive information.
Mitigation and Prevention
Discover the necessary steps to address and prevent the exploitation of CVE-2023-49061, safeguarding user data and enhancing cybersecurity posture.
Immediate Steps to Take
Users of Firefox for iOS should update their applications to version 120 or above to mitigate the risks associated with HTML template injection and data exfiltration.
Long-Term Security Practices
Incorporating secure coding practices, regular security assessments, and user awareness programs can bolster long-term defenses against similar vulnerabilities in iOS applications.
Patching and Updates
Mozilla has released patches to address CVE-2023-49061. Ensure timely installation of security updates for Firefox for iOS to fortify your system against potential exploits.