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Alkacon OpenCMS Stored Cross-Site Scripting Vulnerability

Vulnerability

A stored cross-site scripting vulnerability has been identified in Alkacon OpenCMS version 17.0. This vulnerability allows attackers to execute arbitrary web scripts or HTML by injecting a crafted payload into the image parameter while creating or modifying an article.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user.

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

Vulnerability Rating

Custom Algorithm
spread
3.4
impact
1.7
exploitability
6.5
remediation
0.0
relevance
0.0
threat
6.4
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.