CVE-2021-24817

PoC —

CVSS 3.1

5.4 medium

EPSS

<1%p47

Published

Dec 13, 2021 (Dec 13, 2021)

Modified

Jun 17, 2026

Description

The Ultimate NoFollow WordPress plugin through 1.4.8 does not sanitise and escape the href attribute of its shortcodes, allowing users with a role as low as contributor to perform Cross-Site Scripting attacks

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

NVD CVE.org GitHub PoCs EPSS (0.6%)

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