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Lotus Domino Web Access Cross-Site Scripting Vulnerability

Technote (troubleshooting)


iDefense contacted IBM Lotus to report a potential cross site scripting vulnerability in Lotus® Domino® Web Access (iNotes™ Web Access).

The iDefense advisory can be accessed from the following link:


The Active Content Filter feature, which protects users from potentially malicious code execution upon reading mail in the browser, needed to be updated to account for a particular circumstance.

Resolving the problem

This issue was reported to Lotus Quality Engineering as SPR # KEMG6SRVDM and has been fixed in Lotus® Domino® 6.5.6, Domino 7.0.2 Fix Pack 1 (FP1), Domino 7.0.3, Domino 8.0, and Domino 6.5.5 Fix Pack 3 (FP3).

Attack vector: Remote
Impact: Cross site scripting

Assessing this vulnerability using the Common Vulnerability Scoring System (CVSS):
CVSS Base Score: 3.5
CVSS Temporal Score: 2.7
CVSS Environmental Score: Undefined*
Overall CVSS Score: 2.7

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the referenced links below.

Base Score Metrics:
Related exploit range/Attack Vector: Remote
Attack Complexity: Low
Level of Authentication Needed: Not Required
Confidentiality Impact: Partial
Integrity Impact: None
Availability Impact: None
Impact Value Weighting: Weight Confidentiality

Temporal Score Metrics:
Availability of Exploit: Proof of concept code
Type of Fix available: Official fix
Level of verification that vulnerability exists: Confirmed

Complete CVSS Guide:

Online Calculator:

Document information

More support for: IBM iNotes

Software version: 7.0, 8.0

Operating system(s): Windows

Reference #: 1257026

Modified date: 30 July 2007