CVE-2026-107506
Deferred Deferred - Pending Action

Privilege Escalation in Simple Banner WordPress Plugin

Publication date: 2026-10-21

Last updated on: 2026-10-21

Assigner: WPScan

Description
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.

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Meta Information

Published
2026-10-21
Last Modified
2026-10-21
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-09
NVD
CVE-2026-107506
EUVD
EUVD-2026-107061

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown Simple Banner 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

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Executive Summary

The Simple Banner WordPress plugin before version 3.3.3 incorrectly grants administrator capabilities to user roles that should only manage banners. This allows low-privileged users to escalate their privileges and gain full control of the website.

Detection Guidance

Check the installed version of the Simple Banner plugin in WordPress. If it is below 3.3.3, the system is vulnerable. Use commands like 'wp plugin list' in WP-CLI or inspect the plugin files for version details.

Impact Analysis

An attacker with limited access could escalate privileges to become a full administrator, allowing them to take over the website, modify content, steal data, or install malicious software.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating compliance requirements such as GDPR or HIPAA, which mandate strict access controls and data protection measures.

Mitigation Strategies

Update the Simple Banner plugin to version 3.3.3 or later immediately. Remove or disable the plugin if updating is not possible. Review user roles to ensure no unauthorized privilege escalation has occurred.

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