Cross-Site Scripting (XSS) Vulnerability in php-getid3
Summary
CVE-2021-40926: Cross-site scripting (XSS) vulnerability in demos/demo.mysqli.php in getID3 1.X and v2.0.0-beta allows remote attackers to inject arbitrary web script or HTML via the showtagfiles parameter. Affects php-getid3 versions 1.9.20+dfsg-1 – 2.0.0~beta6+dfsg-1. No fix is published. How to fix ↓
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Background
php-getid3 is a PHP script that extracts metadata from audio and video files. It is commonly used in web applications to retrieve information about media files. However, a vulnerability has been discovered in the script that allows remote attackers to inject arbitrary web script or HTML. This vulnerability can be exploited through the 'showtagfiles' parameter in the 'demos/demo.mysqli.php' file.
Vulnerability Detail
The vulnerability, identified as CVE-2021-40926, is a cross-site scripting (XSS) vulnerability. It occurs due to insufficient input sanitization in the 'showtagfiles' parameter. Attackers can exploit this vulnerability by injecting malicious script or HTML code, which will be executed in the context of the vulnerable web application. This can lead to various consequences, including unauthorized access, data theft, and the potential for further attacks.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If updating the package is not immediately feasible, a temporary workaround is to disable or restrict access to the 'demos/demo.mysqli.php' file. By preventing access to this file, the vulnerable parameter cannot be exploited. However, this is only a temporary solution, and it is strongly advised to apply the official patch by updating the package as soon as possible.
Conclusion
In conclusion, the php-getid3 package is vulnerable to a cross-site scripting (XSS) vulnerability that allows remote attackers to inject arbitrary web script or HTML. To mitigate this vulnerability, it is crucial to update the package to version 1.9.21+dfsg-1 or later. If immediate updating is not possible, restricting access to the vulnerable file can serve as a temporary workaround. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability allows remote attackers to inject malicious script or HTML into a vulnerable web application. The impact can range from unauthorized access to sensitive data theft and potential further exploitation.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) to the playground, and it will alert you in real-time if the vulnerability is present.
Yes, the recommended fix is to update the php-getid3 package to version 1.9.21+dfsg-1 or later. This update includes the necessary patches to address the XSS vulnerability.
A temporary workaround is to disable or restrict access to the 'demos/demo.mysqli.php' file. By preventing access to this file, the vulnerable parameter cannot be exploited. However, it is strongly advised to apply the official patch by updating the package as soon as possible.
You can find more information about this vulnerability, including technical details and the CVE identifier, in the official CVE database: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40926
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