IBM WebSphere App Server 8.5/9.0 & Lib 17.0.0.3-25.0.0.12 XSS URL Redirect
CVE-2025-12635 Published on December 8, 2025
IBM WebSphere Application Server and WebSphere Application Server Liberty Cross-Site Scripting
IBM WebSphere Application Server 8.5, 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 25.0.0.12 are affected by cross-site scripting due to improper validation of user-supplied input. An attacker could exploit this vulnerability by using a specially crafted URL to redirect the user to a malicious site.
Vulnerability Analysis
CVE-2025-12635 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2025-12635 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2025-12635
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Affected Versions
IBM WebSphere Application Server:- Version 9.0, <= 2.0.18 is affected.
- Version 8.5 is affected.
- Version 17.0.0.3, <= 25.0.0.12 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.