CVE-2021-24574

PoC —

CVSS 3.1

4.8 medium

EPSS

<1%p50

Published

Aug 23, 2021 (Aug 23, 2021)

Modified

Jun 17, 2026

Description

The Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings, allowing high privilege users such as admin to use Cross-Site Scripting payload even when the unfiltered_html capability is disallowed.

Vendors: simple banner project
Products: simple banner
Ecosystems: WordPress
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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