Read the docs
TI-2023-19187 Aliases CVE-2023-37602GHSA-ghg2-3w9x-9599

An arbitrary file upload vulnerability in the component /workplace#!explorer of Alkacon…

Priority MEDIUM 60CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

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

Summary

An arbitrary file upload vulnerability in the component /workplace#!explorer of Alkacon OpenCMS v15.0 allows attackers to execute arbitrary code via uploading a crafted PNG file.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00619 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
——all versions—No fix listedCNA
—org.opencms:opencms-core (Maven)up to 15.0—No fix listedGHSA-ghg2-3w9x-9599
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.opencms:opencms-core (Maven) Vendor— Affected up to 15.0 Fixed in — No fix listed GHSA-ghg2-3w9x-9599

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:alkacon:opencms:15.0.0:*:*:*:*:*:*:*15.0.0VulnerableAlkacon
  • cpe:2.3:a:alkacon:opencms:15.0.0:*:*:*:*:*:*:* Versions 15.0.0 Vulnerable ·Alkacon

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-37602
  2. 2026-10-03 Alias added: GHSA-ghg2-3w9x-9599

References

Exploit 1

Advisory 1

Other 1

  • TI-2024-28583 Cross Site Scripting vulnerability in Create/Modify article function in Alkacon OpenCMS… CVSS 3.1MEDIUM 6.5
  • 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
  • TI-2018-06358 Cross-site request forgery (CSRF) vulnerability in… CVSS 3.0HIGH 8.8
See all 31 →

Sources

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