What is CVE-2021-24671?

CVE-2021-24671 is tracked as a Stored Cross-Site Scripting issue affecting the Plugin MX Time Zone Clocks.

Which MX Time Zone Clocks versions are affected?

The primary affected range is Versions before 3.4.1.

How should operators remediate CVE-2021-24671?

Update to 3.4.1 or newer where that release is compatible with the site.

Vulnerability Report

Plugin Medium Patch path listed CVE-2021-24671

MX Time Zone Clocks <= 3.4 - Contributor+ Cross-Site Scripting

The MX Time Zone Clocks WordPress plugin before 3.4.1 does not escape the time_zone attribute of the mxmtzc_time_zone_clocks shortcode, allowing users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks

Quick Answer

CVE-2021-24671 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin MX Time Zone Clocks. It affects Versions before 3.4.1 and is fixed in 3.4.1.

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Published

Aug 25, 2021

Last Updated

Jan 22, 2024

Slug

mx-time-zone-clocks

Risk Profile

6.4 CVSS Score

Weakness

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Researchers

apple502j

Operational Summary

What the operator needs to know

Share Email

Patch Status

Patched release is available

Remediation

Update to version 3.4.1, or a newer patched version

Operator Briefing

CVE-2021-24671 is tracked for the Plugin MX Time Zone Clocks as medium severity with CVSS 6.4. The affected range is Versions before 3.4.1. Update MX Time Zone Clocks to 3.4.1 or newer where that version is compatible with the site.

Issue Type

Stored Cross-Site Scripting

Primary Fixed Version

3.4.1

Primary Affected Range

Versions before 3.4.1

Tracking ID

CVE-2021-24671

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/11542fc6-33e2-40b9-be74-9fbb788f6915?source=api-prod

Detailed Metadata

Software Type	Plugin
Software Slug	mx-time-zone-clocks View on wordpress.org
CVE	CVE-2021-24671
Patched Versions	3.4.1
Affected Versions	Versions before 3.4.1

Related CVE Cluster

Related CVEs for MX Time Zone Clocks

These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.

Medium CVE-2025-62146 No patch listed Dec 31, 2025

CVE-2025-62146 MX Time Zone Clocks Stored Cross-Site Scripting

MX Time Zone Clocks <= 5.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

Medium CVE-2025-31801 No patch listed Apr 01, 2025

CVE-2025-31801 MX Time Zone Clocks Stored Cross-Site Scripting

MX Time Zone Clocks <= 5.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

Licensing Notices

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DEFIANT

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MITRE

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