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TI-2021-03264 Aliases CVE-2021-4407GHSA-xqgm-mm4x-rx9j

Custom Banners <= 3.2.2 - Cross-Site Request Forgery Bypass

Priority LOW 20CWE-352Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-352.

Summary

The Custom Banners plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.2 This is due to missing or incorrect nonce validation on the saveCustomFields() function. This makes it possible for unauthenticated attackers to save custom fields via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00384 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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
ghugerCustom Bannersup to 3.2.2—No fix listedCNA
  • Custom Banners Vendorghuger Affected up to 3.2.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:goldplugins:custom_banners:*:*:*:*:*:wordpress:*:*up to 3.2.2Vulnerableghuger
  • cpe:2.3:a:goldplugins:custom_banners:*:*:*:*:*:wordpress:*:* Versions up to 3.2.2 Vulnerable ·ghuger

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4407
  2. 2026-10-03 Alias added: GHSA-xqgm-mm4x-rx9j

References

Patch 1

Advisory 3

Other 5

  • TI-2024-08165 Custom Banners <= 3.3 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1

Sources

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