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TI-2016-09057 Aliases CVE-2016-11020GHSA-gffh-9h9q-xv2h

Kunena before 5.0.4 does not restrict avatar file extensions to gif, jpeg, jpg, and png.

Priority MEDIUM 47CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

Kunena before 5.0.4 does not restrict avatar file extensions to gif, jpeg, jpg, and png. This can lead to XSS and remote code execution.

Why it matters now

EPSS 0.02884 86th 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:kunena:kunena:*:*:*:*:*:joomla\!:*:*before 5.0.4VulnerableKunena
  • cpe:2.3:a:kunena:kunena:*:*:*:*:*:joomla\!:*:* Versions before 5.0.4 Vulnerable ·Kunena

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-11020
  2. 2026-10-03 Alias added: GHSA-gffh-9h9q-xv2h

References

Patch 1

Advisory 2

  • TI-2012-04112 SQL injection vulnerability in news.php in the Kunena component 1.7.2 for Joomla! allows… CVSS 2.0HIGH 7.5
  • TI-2014-07395 Multiple SQL injection vulnerabilities in the Kunena component before 3.0.6 for Joomla!… CVSS 2.0MEDIUM 6.5
  • TI-2017-03673 In the Kunena extension 5.0.2 through 5.0.4 for Joomla!, the forum message subject (aka… CVSS 3.0MEDIUM 6.1
  • TI-2019-11291 The Kunena extension before 5.1.14 for Joomla! allows XSS via BBCode. CVSS 3.1MEDIUM 5.4
  • TI-2014-07396 Multiple cross-site scripting (XSS) vulnerabilities in the Kunena component before 3.0.6… CVSS 2.0MEDIUM 4.3

Sources

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