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TI-2026-78609 Aliases CVE-2026-107506GHSA-j3vp-w9x8-7pp7

Privilege escalation in Simple Banner WordPress plugin via user permissions

Priority LOW 35CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-269.

Summary

The Simple Banner WordPress plugin before 3.3.3 does not correctly limit the capabilities it grants to user roles that an administrator allows to manage its banners. Those roles receive the full administrator capability (CWE-269). An authenticated user with a low-privileged role can escalate their privileges and fully compromise the site. An exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

The Simple Banner WordPress plugin before 3.3.3 does not correctly limit the capabilities it grants to the user roles an administrator allows to manage its banners, granting such roles the full administrator capability, which allows users in a low-privileged role to escalate their privileges and fully compromise the site.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0032 25th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Simple Banner (Unknown): 3.3.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownSimple Bannerbefore 3.3.33.3.3Patch availableCNA
  • Simple Banner VendorUnknown Affected before 3.3.3 Fixed in 3.3.3 Patch available CNA

Remediation

Update Simple Banner to version 3.3.3, which fixes the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Simple Banner (Unknown) Fixed in 3.3.3

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-107506
  2. 2026-10-21 Alias added: GHSA-j3vp-w9x8-7pp7

References

Exploit 1

Sources

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