IBM Support

Security Bulletin: IBM Domino Web Server Cross-site Scripting Vulnerability (CVE-2015-1981)

Security Bulletin


IBM Domino Web server configured for Webmail has a cross-site scripting vulnerability.

Vulnerability Details

CVEID: CVE-2015-1981

: IBM Domino Web server configured for Webmail is vulnerable to cross-site scripting, 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. Note that Domino servers configured for iNotes are not vulnerable to this attack.

CVSS Base Score: 3.5
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:S/C:N/I:P/A:N)

Affected Products and Versions

  • IBM Domino 9.0.1 Fix Pack 3 (plus Interim Fixes) and earlier
  • IBM Domino 8.5.3 Fix Pack 6 Interim Fix 7 and earlier
  • All 9.0 and 8.5.x releases of IBM Domino prior to those listed above


A fix for this issue, tracked as SPR# KLYH9WYPR5, is introduced both in IBM Domino 9.0.1 Fix Pack 4 and in Domino 8.5.3. Fix Pack 6 Interim Fix 8.

Customers running earlier 9.0.x or 8.5.x streams may either use the workaround listed below or contact IBM Support to inquire about the possibility of obtaining a hotfix for your environment. Reference the SPR listed above.

Workarounds and Mitigations

To work around this attack in all affected releases, configure browser users to access Domino mail using iNotes. For reference, see the IBM Domino Administrator Help topic for Configuring iNotes.

Get Notified about Future Security Bulletins


Complete CVSS v2 Guide
On-line Calculator v2
Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog


These vulnerabilities were reported to IBM by researcher Eugene Dokukin (MustLive).

Change History

June 23, 2015 - Fix info added for 853x
June 17, 2015 - Initial publish

*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: IBM Domino

Software version: 8.5,, 8.5.1,, 8.5.2,, 8.5.3,, 9.0,

Operating system(s): AIX, IBM i, Linux, Windows

Reference #: 1959908

Modified date: 23 June 2015