CVE-2020-11064 : Exploit Details and Defense Strategies
Learn about CVE-2020-11064, a Cross-Site Scripting vulnerability in TYPO3 CMS versions >= 9.0.0 and < 9.5.17, and >= 10.0.0 and < 10.4.2. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Cross-Site Scripting (XSS) vulnerability in TYPO3 CMS versions >= 9.0.0 and < 9.5.17, and >= 10.0.0 and < 10.4.2 allows attackers to execute malicious scripts. A valid backend user account is required for exploitation. This issue has been addressed in versions 9.5.17 and 10.4.2.
Understanding CVE-2020-11064
TYPO3 CMS versions are susceptible to XSS attacks due to improper handling of HTML placeholder attributes containing data from other database records.
What is CVE-2020-11064?
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The Impact of CVE-2020-11064
- CVSS Score: 5.4 (Medium)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: Required
- Scope: Changed
- Confidentiality Impact: Low
- Integrity Impact: Low
- Availability Impact: None
Technical Details of CVE-2020-11064
TYPO3 CMS vulnerability details and exploitation mechanisms.
Vulnerability Description
- XSS vulnerability in TYPO3 CMS versions
Affected Systems and Versions
- TYPO3 CMS >= 9.0.0, < 9.5.17
- TYPO3 CMS >= 10.0.0, < 10.4.2
Exploitation Mechanism
- Requires a valid backend user account
Mitigation and Prevention
Protecting systems from CVE-2020-11064 and ensuring long-term security.
Immediate Steps to Take
- Update TYPO3 CMS to versions 9.5.17 or 10.4.2
- Monitor for any suspicious activities
Long-Term Security Practices
- Regularly review and update security configurations
- Educate users on safe browsing practices
Patching and Updates
- Apply security patches promptly to prevent exploitation