AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-24159

HIGH · CVSS 8.8 EPSS 0.59%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-05 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. It affects WordPress, Java.

CVE
CVE-2021-24159
Severity
HIGH
CVSS
8.8
EPSS
0.59%
WordPress Java

Original NVD Description

Due to the lack of sanitization and lack of nonce protection on the custom CSS feature, an attacker could craft a request to inject malicious JavaScript on a site using the Contact Form 7 Style WordPress plugin through 3.1.9. If an attacker successfully tricked a site’s administrator into clicking a link or attachment, then the request could be sent and the CSS settings would be successfully updated to include malicious JavaScript.

Related CVEs

Other vulnerabilities affecting the same vendor(s)