Is CVE-2021-24304 actively exploited?

No active exploitation of CVE-2021-24304 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-24304 be exploited remotely?

Yes. CVE-2021-24304 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-24304?

CVE-2021-24304 has a CVSS score of 6.1 (MEDIUM).

HOME VULNERABILITIESCVE-2021-24304

MEDIUM

CVE-2021-24304

CWE-79Published: August 9, 2021· Updated: Jun 17, 2026

6.1

CVSS v3.1

Official Description

The Newsmag WordPress theme before 5.0 does not sanitise the td_block_id parameter in its td_ajax_block AJAX action, leading to an unauthenticated Reflected Cross-site Scripting (XSS) vulnerability.

NVD Source

Technical Analysis

CVE-2021-24304 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.