CVE-2024-5520

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 with sufficient privileges to create and modify web pages through the admin panel, can execute malicious JavaScript code, after inserting code in the “title” field.

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-2024-1803 Two Cross-Site Scripting vulnerabilities have been discovered in Alkacon's OpenCMS affecting version 16, which could allow a user with sufficient privileges to create and modify web pages through the admin panel, can execute malicious JavaScript code, after inserting code in the “title” field.
Github GHSA Github GHSA GHSA-vg6x-pchq-98mg OpenCMS Cross-Site Scripting vulnerability
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00139}

epss

{'score': 0.00251}

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