N/A

CVSS Score

-

CVSS Score

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CVE-2025-62246

CVE-2025-62246: Liferay Mentions Web is Vulnerable to Cross-site Scripting

Multiple stored cross-site scripting (XSS) vulnerabilities in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0 through 2023.Q4.5, 2023.Q3.1 through 2023.Q3.8, 7.4 GA through update 92, and older unsupported versions allow remote authenticated users to inject arbitrary web script or HTML via a crafted payload injected into a user’s first, middle or last name text field to (1) page comments widget, (2) blog entry comments, (3) document and media document comments, (4) message board messages, (5) wiki page comments or (6) other widgets/apps that supports mentions.

(GitHub Advisory)

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CVE-2025-62246

CVE-2025-62246:

N/A

CVSS Score

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
com.liferay:com.liferay.mentions.web	maven	< 6.0.35	6.0.35

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability is a stored Cross-Site Scripting (XSS) issue in the Liferay Portal's mentions functionality. The root cause is the failure to properly sanitize user-provided data, specifically a user's first, middle, or last name, before it is rendered on a page. The provided patch, commit 4218ecd902dbd860d3f9ee233b0ffa4c822a49ee, clearly shows the fix for this vulnerability. The changes are located in the _getJSONArray method of the com.liferay.mentions.web.internal.portlet.MentionsPortlet class. Before the patch, the method directly used the values from user.getScreenName() and user.getFullName() and placed them into a JSON object. This JSON object is then used to display the user's name when they are mentioned. The patch rectifies this by wrapping these calls with HtmlUtil.escape(), which neutralizes any embedded HTML or script content. Therefore, the _getJSONArray function is the specific vulnerable function where the unsanitized data was processed, leading to the XSS vulnerability.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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