Main Vulnerability Database SB2020031819

SB2020031819 - Cross-site scripting in WebSpellChecker Dialog plugin for CKEditor

Published: March 18, 2020

Security Bulletin ID SB2020031819

Severity

Low

Patch available

YES

Number of vulnerabilities 1

Exploitation vector Remote access

Highest impact Data manipulation

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 1 security vulnerability.

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

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 within WYSIWYG mode in WebSpellChecker Dialog plugin for CKEditor. A remote attacker can trick the victim to execute certain actions with content in WYSIWYG mode and 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.

References

https://ckeditor.com/blog/CKEditor-4.14-with-Paste-from-LibreOffice-released/