CVE-2024-5521

Cross-Site Scripting stored in Alkacon OpenCMS

Published May 30, 2024 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Description
Two Cross-Site Scripting vulnerabilities have been discovered in Alkacon's OpenCMS affecting version 16, which could allow a user having the roles of gallery editor or VFS resource manager will have the permission to upload images in the .svg format containing JavaScript code. The code will be executed the moment another user accesses the image.

Remediation

Vendor Solution

The Cross-Site Scripting vulnerability through the “title” field has been fixed in version 17. However, the vendor has stated that the Cross-Site Scripting vulnerability through images in .svg format will not be fixed because filtering the JavaScript code of .svg files could bring unwanted effects.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-46725 Two Cross-Site Scripting vulnerabilities have been discovered in Alkacon's OpenCMS affecting version 16, which could allow a user having the roles of gallery editor or VFS resource manager will have the permission to upload images in the .svg format containing JavaScript code. The code will be executed the moment another user accesses the image.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00128}

epss

{'score': 0.0023}

Type Values Removed Values Added
First Time appeared Alkacon
Alkacon opencms
CPEs cpe:2.3:a:alkacon:opencms:16.0.0:*:*:*:*:*:*:*
Vendors & Products Alkacon
Alkacon opencms
Weaknesses

Sources

Status
PUBLISHED
Assigner
INCIBE
Published
Updated
Aug 1, 2024, 9:18 PM
Reserved
May 30, 2024, 7:36 AM
Status
Analyzed
Published
May 30, 2024, 12:15 PM
Modified
Jun 17, 2026, 8:16 AM