SB2022112927 - Self-XSS in Discourse



SB2022112927 - Self-XSS in Discourse

Published: November 29, 2022

Security Bulletin ID SB2022112927
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Cross-site scripting (CVE-ID: CVE-2022-46148)

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

The vulnerability exists due to insufficient sanitization of user-supplied data passed through a malicious message. A remote attacker can trick the victim to compose a malicious message and navigate to the drafts page to execute arbitrary HTML and script code in user's browser in context of vulnerable 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.