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TI-2019-08855 Aliases CVE-2019-11818GHSA-c8j6-gqq8-4prj

Alkacon OpenCMS v10.5.4 and before is affected by stored cross site scripting (XSS) in…

Priority LOW 29CWE-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
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Alkacon OpenCMS v10.5.4 and before is affected by stored cross site scripting (XSS) in the module New User (/opencms/system/workplace/admin/accounts/user_new.jsp). This allows an attacker to insert arbitrary JavaScript as user input (First Name or Last Name), which will be executed whenever the affected snippet is loaded.

Why it matters now

EPSS 0.00765 55th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed org.opencms:opencms-core (Maven): 11.0.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—org.opencms:opencms-core (Maven)before 11.0.011.0.0Patch availableGHSA-c8j6-gqq8-4prj
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.opencms:opencms-core (Maven) Vendor— Affected before 11.0.0 Fixed in 11.0.0 Patch available GHSA-c8j6-gqq8-4prj

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:alkacon:opencms:*:*:*:*:*:*:*:*up to 10.5.4VulnerableAlkacon
  • cpe:2.3:a:alkacon:opencms:*:*:*:*:*:*:*:* Versions up to 10.5.4 Vulnerable ·Alkacon

Remediation

  • Fix · GHSA-c8j6-gqq8-4prj org.opencms:opencms-core (Maven) Fixed in 11.0.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11818
  2. 2026-10-03 Alias added: GHSA-c8j6-gqq8-4prj

References

Exploit 2

Advisory 1

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