CVE-2025-62255
CWE-79Published: October 23, 2025· Updated: Jun 17, 2026
Official Description
Self Cross-site scripting (XSS) vulnerability on the edit Knowledge Base article page in Liferay Portal 7.4.0 through 7.4.3.101, and older unsupported versions, and Liferay DXP 2023.Q3.1 through 2023.Q3.5, 7.4 GA through update 92, and older unsupported versions allows remote attackers to inject arbitrary web script or HTML via a crafted payload injected into an attachment's filename.
Technical Analysis
CVE-2025-62255 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (1)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-62255 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts