SB2021110227 - Universal XSS in Firefox for Android

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Main Vulnerability Database SB2021110227

SB2021110227 - Universal XSS in Firefox for Android

Published: November 2, 2021

Security Bulletin ID SB2021110227
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Universal cross-site scripting (CVE-ID: N/A)

The disclosed vulnerability allows a remote attacker to perform universal cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of QR Code URLs. A remote attacker can trick the victim to visit the website via a specially crafted QR code and execute arbitrary HTML and script code in user's browser in context of any website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install update from vendor's website.

References