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IBM Cognos Controller Client-Side Desync Vulnerability Leading to Cross-Site Scripting

Vulnerability

A Client-Side Desync (CSD) vulnerability has been identified in IBM Cognos Controller versions 11.0.0 through 11.1.0. This vulnerability allows an attacker to exploit a desynchronized browser connection, potentially leading to Cross-Site Scripting (XSS) attacks.

Impact

Exploitation of this vulnerability could result in Cross-Site Scripting (XSS) attacks.

Remediation

Users are advised to upgrade to IBM Cognos Controller 11.0.1 FP4 or IBM Controller 11.1.0 FP3. For Cloud deployments, version 11.1.0.3 is available.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
2.6
impact
1.7
exploitability
6.0
remediation
7.7
relevance
0.0
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.