CVE-2017-12139 : Exploit Details and Defense Strategies
Learn about CVE-2017-12139, a stored XSS vulnerability in XOOPS Core 2.5.8 due to missing MIME type validation. Find out the impact, affected systems, exploitation, and mitigation steps.
XOOPS Core 2.5.8 has a stored XSS vulnerability due to the lack of MIME type validation in the htdocs/class/uploader.php file, affecting imagemanager.php.
Understanding CVE-2017-12139
This CVE involves a stored XSS vulnerability in XOOPS Core 2.5.8, impacting the imagemanager.php file.
What is CVE-2017-12139?
The vulnerability arises from the absence of MIME type validation in a specific file, allowing attackers to execute malicious scripts.
The Impact of CVE-2017-12139
This vulnerability enables attackers to inject and execute malicious scripts, potentially compromising the security and integrity of the affected system.
Technical Details of CVE-2017-12139
XOOPS Core 2.5.8 is susceptible to stored XSS due to inadequate validation mechanisms.
Vulnerability Description
The lack of MIME type validation in htdocs/class/uploader.php leads to a stored XSS vulnerability in imagemanager.php.
Affected Systems and Versions
- Product: XOOPS Core 2.5.8
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts through the imagemanager.php file.
Mitigation and Prevention
To address CVE-2017-12139, immediate actions and long-term security practices are crucial.
Immediate Steps to Take
- Implement MIME type validation in uploader.php
- Regularly monitor and sanitize user inputs
Long-Term Security Practices
- Conduct regular security audits and code reviews
- Educate developers on secure coding practices
Patching and Updates
- Apply patches and updates provided by XOOPS Core to fix the vulnerability.