CVE-2017-9070: MODX Revolution Cross-Site Scripting Vulnerability
Summary
CVE-2017-9070: MODX Revolution cross-site scripting vulnerability. Affects modx/revolution versions < 2.5.7. Fixed in 2.5.7. How to fix ↓
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Background
MODX Revolution is an open-source content management system (CMS) that allows users to create and manage websites with ease. It is known for its flexibility and scalability, catering to both developers and non-technical users. However, prior to version 2.5.7, MODX Revolution had a vulnerability that allowed users with resource edit permissions to inject malicious scripts into post titles, posing a significant security risk.
Vulnerability Detail
The vulnerability identified as CVE-2017-9070 is a cross-site scripting (XSS) flaw present in MODX Revolution versions before 2.5.7. It arises when a user with resource edit permissions can inject an XSS payload through the 'pagetitle' parameter in the connectors/index.php file. This could lead to unauthorized script execution in the context of other users, potentially compromising sensitive data and user sessions.
How To Fix
Minimum fixed version
2.5.7
This is the first release that contains the fix.
composer require modx/revolution:2.5.7Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, restrict resource edit permissions to trusted users only, minimizing the risk of XSS attacks until the package is updated.
Conclusion
The MODX Revolution cross-site scripting vulnerability (CVE-2017-9070) poses a significant risk to users with resource edit permissions. It is crucial to update to version 2.5.7 or later to protect against potential attacks. Implementing temporary workarounds can help mitigate risks until the update is completed.
See every vulnerability recorded for modx/revolution →
FAQ
The CVSS score for this vulnerability is 5.4, indicating a moderate severity level.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
If exploited, this vulnerability could allow attackers to execute malicious scripts in the context of other users, leading to data theft, session hijacking, or other malicious activities.
Yes, Vulert provides a service that monitors and alerts you in real-time for open-source vulnerabilities in your software using just the composer.lock file.
If immediate updating is not possible, ensure that only trusted users have resource edit permissions to mitigate the risk of exploitation.
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