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CVE-2024-5521

Cross-Site Scripting stored in Alkacon OpenCMS

Published: May 30, 2024Updated: Apr 10, 2025 Sources: CVE List NVDCWE-79
NVD MITRE
6.4CVSSMEDIUM
EPSS Score
0.3%
Top 82.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

OpenCMSAlkacon
On-prem
Web & CMS Plugins / cms-core
opencmsalkacon
On-prem
Web & CMS Plugins / cms-core
alkaconcommercialWeb & CMS Pluginsaka opencms, open cms, opencms apollo template

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-stored-alkacon-opencms
incibe.es

Timeline

Published
May 30, 2024
Last Updated
Apr 10, 2025

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