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The CVE-2025-XXXXX vulnerability is a Stored Cross-Site Scripting (XSS) flaw within the workflow process builder component of Liferay Portal and Liferay DXP. It arises from insufficient input sanitization and output encoding when handling user-supplied data for workflow definitions. An authenticated attacker can craft a malicious workflow definition containing arbitrary JavaScript or HTML within specific input fields. When a privileged user, such as an administrator, later views or manages this malicious workflow definition within the administrative interface, the injected script executes in the context of that user’s session. This allows the attacker to perform any actions the victim is authorized to do, such as stealing session cookies, modifying portal content, or changing user permissions, without requiring direct interaction from the victim beyond viewing the compromised workflow task.
Platform: Liferay Portal/DXP
Version: 7.4.3.21-111
Vulnerability: Stored XSS
Severity: Moderate
date: 2025-10-11
Prediction: Patch available
What Undercode Say:
Searching for potentially vulnerable workflow XML files
find $LIFERAY_HOME -name ".xml" -type f | xargs grep -l "workflow-definition"
Example of a malicious script payload in a workflow definition node
<task>
<name>Malicious Task</name>
<description><![CDATA[<script>alert('XSS')</script>]]></description>
</task>
How Exploit:
1. Attacker authenticates into the portal.
2. Creates or edits a workflow definition.
3. Injects malicious script into a susceptible field.
4. Script executes when admin views workflow.
Protection from this CVE:
Apply Liferay patch.
Implement Content Security Policy.
Sanitize user inputs.
Impact:
Session hijacking.
Privilege escalation.
Data theft.
🎯Let’s Practice Exploiting & Learn Patching For Free:
Sources:
Reported By: github.com
Extra Source Hub:
Undercode
