CVE-2019-6263 : Security Advisory and Response
Discover the impact of CVE-2019-6263, a Joomla! vulnerability allowing cross-site scripting attacks due to inadequate validation. Learn how to mitigate and prevent this security risk.
A vulnerability has been found in Joomla! versions prior to 3.9.2, allowing for cross-site scripting attacks due to insufficient validation of Global Configuration Text Filter settings.
Understanding CVE-2019-6263
This CVE relates to a stored XSS issue in Joomla! versions before 3.9.2.
What is CVE-2019-6263?
This CVE identifies a vulnerability in Joomla! that could be exploited by attackers to execute cross-site scripting attacks by manipulating Global Configuration Text Filter settings.
The Impact of CVE-2019-6263
The vulnerability could lead to unauthorized access, data theft, and potential compromise of user information on websites using affected Joomla! versions.
Technical Details of CVE-2019-6263
This section provides more technical insights into the vulnerability.
Vulnerability Description
Inadequate validation of Global Configuration Text Filter settings in Joomla! versions prior to 3.9.2 allowed for the storage of malicious scripts, enabling cross-site scripting attacks.
Affected Systems and Versions
- Affected Systems: Joomla! versions before 3.9.2
- Affected Versions: All versions prior to 3.9.2
Exploitation Mechanism
Attackers could exploit this vulnerability by injecting malicious scripts into the Global Configuration Text Filter settings, which would then be stored and executed when accessed by users.
Mitigation and Prevention
Protecting systems from CVE-2019-6263 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Joomla! to version 3.9.2 or later to mitigate the vulnerability.
- Regularly monitor and audit website content for any suspicious scripts or activities.
Long-Term Security Practices
- Implement strict input validation and output encoding to prevent XSS attacks.
- Educate website administrators on secure coding practices and the importance of regular software updates.
Patching and Updates
- Apply security patches released by Joomla! promptly to address known vulnerabilities and enhance website security.