CVE-2021-4452

Name: CVE-2021-4452
Creator: NVD / NIST
Published: 2024-10-16T08:15:04.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2021-4452 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Google Language Translator plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via multiple parameters in versions up to, and including, 6.0.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

The Google Language Translator plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via multiple parameters in versions up to, and including, 6.0.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Specifically affects users with older browsers that lack proper URL encoding support.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.47%

37.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Gtranslate	Google Language Translator	<= 6.0.9

References

https://plugins.trac.wordpress.org/changeset/2567703Patch
https://plugins.trac.wordpress.org/changeset/2567706Patch
https://wpscan.com/vulnerability/1bd8bc19-5a6f-410b-897e-4887c05378eaThird Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/aa2bd74a-563a-4a2d-b1d7-b3678db82b00?source=cveThird Party Advisory

Timeline

Published: Oct 16, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-4452?

How severe is CVE-2021-4452?

CVE-2021-4452 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4452?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4452?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST