CVE-2025-12635

Description

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.

CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
ibm	websphere_application_server	8.5 — 8.5.5.29
ibm	websphere_application_server	9.0 — 9.0.5.27
ibm	websphere_application_server	17.0.0.3 — 26.0.0.1

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7254078

Frequently Asked Questions

What is CVE-2025-12635? +

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. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-12635? +

CVE-2025-12635 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-12635? +

CVE-2025-12635 affects products from ibm, specifically: websphere_application_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-12635? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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