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Security Bulletin: Cross-Site Scripting Vulnerability in IBM WebSphere Portal (CVE-2018-1660)

Security Bulletin


A fix is available for a cross-site scripting vulnerability in IBM WebSphere Portal (CVE-2018-1660).

Vulnerability Details

CVEID: CVE-2018-1660
DESCRIPTION: IBM WebSphere Portal is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
CVSS Base Score: 5.4
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

Affected Product Affected Versions
IBM WebSphere Portal - CF15
IBM WebSphere Portal - CF15
IBM WebSphere Portal - CF23
IBM WebSphere Portal - CF30

For unsupported versions IBM recommends upgrading to a fixed, supported version of the product.


Product VRMF APARs Fix
IBM WebSphere Portal 9.0 PI98353 Upgrade to Cumulative Fix 16 (CF16).
IBM WebSphere Portal 8.5 PI98353 Upgrade to Cumulative Fix 16 (CF16).
IBM WebSphere Portal through 8.0.01 PI98353 Upgrade to Fix Pack with Cumulative Fix 23 (CF23) and then apply the Interim Fix PI98353.
IBM WebSphere Portal through PI98353 Upgrade to Fix Pack with Cumulative Fix 30 (CF30) and then apply the Interim Fix PI98353.


Workarounds and Mitigations


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Important Note

IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.


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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

25 September 2018: Original version published

*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.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document information

More support for: WebSphere Portal

Software version: 7.0, 8.0, 8.5, 9.0

Operating system(s): Platform Independent

Reference #: 0715923

Modified date: 25 September 2018