CVE-2022-0446: Simple Banner < 2.12.0 - Admin+ Stored Cross Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-22 · updated 2026-06-17
Weakness: CWE-79

Description

The Simple Banner WordPress plugin before 2.12.0 does not properly sanitize its "Simple Banner Text" Settings allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Affected products

Simple Banner: before 2.12.0 — fixed in 2.12.0

How to fix

Upgrade to a fixed version: Simple Banner 2.12.0. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/3fc7986e-3b38-4e16-9516-2ae00bc7a581
https://wpscan.com/vulnerability/3fc7986e-3b38-4e16-9516-2ae00bc7a581

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