CVE-2025-12635

Name: CVE-2025-12635
Creator: NVD / NIST
Published: 2025-12-08T22:15:49.39+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.14%

Last modified Jun 17, 2026

CVE-2025-12635 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.14%

3.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

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

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

Timeline

Published: Dec 8, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-12635?

How severe is CVE-2025-12635?

CVE-2025-12635 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.

How do I fix CVE-2025-12635?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-12635?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST