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How the CVE Works
The vulnerability exists in the `entry_cover_image_caption.jsp` file of Liferay Portal’s blogs-web module. Due to improper input sanitization, an attacker can craft a malicious URL containing JavaScript payloads. When a victim visits the manipulated URL, the script executes in their browser context, leading to reflected XSS. The attack requires user interaction but can be used to steal sessions, deface pages, or perform actions on behalf of the victim.
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Platform: Liferay Portal
Version: 7.4.0-7.4.3.133
Vulnerability: Reflected XSS
Severity: Moderate
Date: Aug 8, 2025
Prediction: Patch by Aug 22, 2025
What Undercode Say
curl -X GET "http://target/modules/blogs/entry_cover_image_caption.jsp?<script>alert(1)</script>"
fetch(<code>/blogs/entry_cover_image_caption.jsp?${encodeURIComponent('<img src=x onerror=alert(document.cookie)>')}</code>);
How Exploit
- Craft malicious URL with XSS payload
- Trick user into clicking link
- Payload executes in victim’s session
Protection from this CVE
- Update to Liferay 6.0.139
- Implement CSP headers
- Sanitize user input
Impact
- Session hijacking
- Unauthorized actions
- Data theft
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Sources:
Reported By: github.com
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