CVE-2021-24437

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p56

Published

Aug 30, 2021 (Aug 30, 2021)

Modified

Jun 17, 2026

Description

The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.

Vendors: realfavicongenerator
Products: favicon by realfavicongenerator
Ecosystems: WordPress
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.8%)

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