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TI-2021-16279 Aliases CVE-2021-38709GHSA-4v6c-4429-5c64

In ocProducts Composr CMS before 10.0.38, an attacker can inject JavaScript via the…

Priority LOW 28CWE-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. Impact type from CWE-79.

Summary

In ocProducts Composr CMS before 10.0.38, an attacker can inject JavaScript via the staff_messaging messaging system for XSS.

Why it matters now

EPSS 0.00581 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:compo:composr_cms:*:*:*:*:*:*:*:*before 10.0.38VulnerableCompo
  • cpe:2.3:a:compo:composr_cms:*:*:*:*:*:*:*:* Versions before 10.0.38 Vulnerable ·Compo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38709
  2. 2026-10-03 Alias added: GHSA-4v6c-4429-5c64

References

Advisory 1

  • TI-2021-16278 In ocProducts Composr CMS before 10.0.38, an attacker can inject JavaScript via Comcode for XSS. CVSS 3.1MEDIUM 5.4
  • TI-2018-04798 Composr CMS 10.0.13 has XSS via the site_name parameter in a… CVSS 3.0MEDIUM 4.8

Sources

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