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TI-2024-05131 Aliases CVE-2024-5520GHSA-vg6x-pchq-98mg

Cross-Site Scripting stored in Alkacon OpenCMS

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Fix Fixed org.opencms:opencms-core (Maven): 17.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AlkaconOpenCMS16—No fix listedCNA
—org.opencms:opencms-core (Maven)16.0 to before 17.017.0Patch availableGHSA-vg6x-pchq-98mg
  • OpenCMS VendorAlkacon Affected 16 Fixed in — No fix listed CNA
  • org.opencms:opencms-core (Maven) Vendor— Affected 16.0 to before 17.0 Fixed in 17.0 Patch available GHSA-vg6x-pchq-98mg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:alkacon:opencms:16.0.0:*:*:*:*:*:*:*16.0.0VulnerableAlkacon
  • cpe:2.3:a:alkacon:opencms:16.0.0:*:*:*:*:*:*:* Versions 16.0.0 Vulnerable ·Alkacon

Remediation

  • Fix · GHSA-vg6x-pchq-98mg org.opencms:opencms-core (Maven) Fixed in 17.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-5520
  2. 2026-10-03 Alias added: GHSA-vg6x-pchq-98mg

References

Advisory 2

Other 2

  • TI-2024-28583 Cross Site Scripting vulnerability in Create/Modify article function in Alkacon OpenCMS… CVSS 3.1MEDIUM 6.5
  • TI-2023-19187 An arbitrary file upload vulnerability in the component /workplace#!explorer of Alkacon… CVSS 3.1MEDIUM 6.1
  • TI-2024-27633 A stored cross-site scripting (XSS) vulnerability in Alkacon OpenCMS v17.0 allows… CVSS 3.1MEDIUM 5.4
  • TI-2024-27632 A stored cross-site scripting (XSS) vulnerability in Alkacon OpenCMS v17.0 allows… CVSS 3.1MEDIUM 5.4
  • TI-2023-15113 A stored cross-site scripting (XSS) vulnerability in alkacon-OpenCMS v11.0.0.0 allows… CVSS 3.1MEDIUM 5.4
  • TI-2021-07974 OpenCMS - Stored Cross-Site Scripting (XSS) in Sitemap CVSS 3.1MEDIUM 5.4
See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences