CVE-2003-0038: Mailman Cross-site Scripting (XSS) Vulnerability
Summary
CVE-2003-0038: Mailman Cross-site scripting (XSS) vulnerability. Affects mailman versions < 2.1.1. Fixed in 2.1.1. How to fix ↓
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Background
Mailman is an open-source mailing list management software that facilitates the creation and administration of mailing lists. It is widely used for managing email discussions and newsletters. The software allows users to configure various options, including email settings and language preferences. However, a vulnerability in the options.py file of Mailman 2.1 exposes it to cross-site scripting (XSS) attacks, potentially allowing attackers to inject malicious scripts into web pages.
Vulnerability Detail
The vulnerability arises from improper handling of user input in the options.py file, specifically through the email and language parameters. Attackers can exploit this flaw by crafting a malicious request that includes script or HTML code, which is then rendered in the web interface. This can lead to unauthorized actions being performed on behalf of the user, data theft, or session hijacking. The vulnerability affects all versions of Mailman prior to 2.1.1.
How To Fix
Minimum fixed version
2.1.1
This is the first release that contains the fix.
pip install --upgrade "mailman==2.1.1"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, it is advisable to sanitize user inputs for the email and language parameters to prevent script injection. Implementing input validation can help mitigate the risk until the software is updated.
Conclusion
The CVE-2003-0038 vulnerability in Mailman poses a significant risk due to its potential for cross-site scripting attacks. It is crucial for users to update to version 2.1.1 or later to mitigate this risk. Additionally, employing input validation can serve as a temporary measure until the software is updated.
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FAQ
The vulnerability allows attackers to inject malicious scripts into web pages, potentially leading to data theft, session hijacking, or unauthorized actions on behalf of users.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
All versions of Mailman prior to 2.1.1 are affected by this cross-site scripting vulnerability.
Yes, the vulnerability has been patched in Mailman version 2.1.1. It is recommended to upgrade to this version or later.
If an immediate update is not possible, implement input validation and sanitization for the email and language parameters to reduce the risk of exploitation.
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