There is a cross-site scripting vulnerability in WebSphere Application Server Liberty when using the OpenID Connect (OIDC) client.
DESCRIPTION: IBM WebSphere Application Server is vulnerable to cross-site scripting in the OIDC client web application caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
CVSS Base Score: 6.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111229 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Affected Products and Versions
This vulnerability affects the following versions and releases of IBM WebSphere Application Server
- Version 8.5.5 Liberty Profile
The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI58003 for each named product as soon as practical.
For WebSphere Application Server:
For V22.214.171.124 through 126.96.36.199 Liberty Profile:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI58003
· Apply Fix Pack 188.8.131.52 or later.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
18 March 2016: original document published
21 March 2016: updated link for readmes
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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15 June 2018