Medium severity · published Dec 8, 2025
CVE-2025-12635
IBM WebSphere Application Server and WebSphere Application Server Liberty Cross-Site Scripting
5.4
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WebSphere Application Server · IBM
9.0 through 2.0.18; 8.5 · source: vendor, NVD
WA
WebSphere Application Server Liberty · IBM
17.0.0.3 through 25.0.0.12 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-12635
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-12635
Vendor Advisory
https://www.ibm.com/support/pages/node/7254078
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