What’s Vulnerable › Vulnerabilities
CVE-2026-107506: Simple Banner < 3.3.3 - Authenticated Privilege Escalation via User Permissions Setting
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-21 · updated 2026-10-21
- Weakness: CWE-269
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.
Affected products
- Simple Banner: before 3.3.3 — fixed in 3.3.3
How to fix
Upgrade to a fixed version: Simple Banner 3.3.3. Check the vendor advisory for mitigations.
References
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