CVE-2025-43783: Reflected XSS Vulnerability in com.liferay.frontend.editor.ckeditor.web Package
Summary
CVE-2025-43783: Liferay Portal is vulnerable to Reflected XSS attack through get_editor path. Affects com.liferay:com.liferay.frontend.editor.ckeditor.web versions >= 5.0.76, < 5.0.102. Fixed in 5.0.102. How to fix ↓
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Background
The com.liferay.frontend.editor.ckeditor.web package is a component of the Liferay Portal, which is a popular open-source platform for building web applications and websites. This package specifically provides functionalities for integrating the CKEditor, a rich text editor, into Liferay applications. It allows users to create and edit content with advanced formatting options. However, due to a security flaw, this package is susceptible to reflected cross-site scripting (XSS) attacks, which can compromise the integrity of web applications using it.
Vulnerability Detail
The vulnerability identified as CVE-2025-43783 is a reflected cross-site scripting (XSS) issue that affects Liferay Portal versions 7.4.3.73 through 7.4.3.128 and Liferay DXP versions 2024.Q3.0 through 2024.Q3.1, among others. Attackers can exploit this vulnerability by injecting arbitrary web scripts or HTML through the '/c/portal/comment/discussion/get_editor' path. This can lead to unauthorized actions being performed on behalf of users, data theft, or the spread of malware, posing significant risks to both users and the application.
How To Fix
Minimum fixed version
5.0.102
This is the first release that contains the fix.
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Workaround
If immediate patching is not feasible, consider implementing input validation and sanitization on the affected endpoint to mitigate the risk of XSS attacks. This can involve encoding user inputs and ensuring that any output rendered on the page is properly escaped.
Conclusion
CVE-2025-43783 is a significant reflected XSS vulnerability in the com.liferay.frontend.editor.ckeditor.web package that can lead to severe security issues. It is crucial to update to the patched version or implement workarounds to protect your application and its users from potential attacks.
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FAQ
CVE-2025-43783 is a reflected XSS vulnerability in the com.liferay.frontend.editor.ckeditor.web package that allows attackers to inject malicious scripts through a specific URL path.
You can check if your application is affected by using Vulert, which monitors open-source vulnerabilities in real-time. You can access the Vulert playground at Vulert Scanner without any signup.
The risks include unauthorized actions performed on behalf of users, potential data theft, and the spread of malware, which can compromise the security of the application and its users.
Yes, a patch is available. Updating the package to version 5.0.102 or later will resolve the vulnerability.
If immediate updates are not possible, implement input validation and sanitization on the affected endpoint to reduce the risk of exploitation.
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