CVE-2019-12748 : Security Advisory and Response

TYPO3 versions 8.3.0 to 8.7.26 and 9.0.0 to 9.5.7 are vulnerable to cross-site scripting (XSS) attacks.

Understanding CVE-2019-12748

This CVE involves a security vulnerability in TYPO3 versions that could allow for XSS attacks.

What is CVE-2019-12748?

TYPO3 versions 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 have a vulnerability that enables cross-site scripting (XSS) attacks.

The Impact of CVE-2019-12748

This vulnerability can be exploited by attackers to execute malicious scripts in the context of a user's browser, potentially leading to various security risks.

Technical Details of CVE-2019-12748

TYPO3 versions 8.3.0 to 8.7.26 and 9.0.0 to 9.5.7 are affected by this vulnerability.

Vulnerability Description

The vulnerability in these TYPO3 versions allows for cross-site scripting (XSS) attacks.

Affected Systems and Versions

TYPO3 versions 8.3.0 to 8.7.26
TYPO3 versions 9.0.0 to 9.5.7

Exploitation Mechanism

Attackers can exploit this vulnerability to inject and execute malicious scripts in the context of a user's browser, potentially compromising sensitive data.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-12748.

Immediate Steps to Take

Update TYPO3 to the latest patched version that addresses the XSS vulnerability.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor security advisories and updates from TYPO3.
Conduct security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply security patches provided by TYPO3 promptly to ensure protection against known vulnerabilities.