CVE-2021-4358

Name: CVE-2021-4358
Creator: NVD / NIST
Published: 2023-06-07T02:15:14.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2021-4358 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The WP DSGVO Tools (GDPR) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an unknown parameter in versions up to, and including, 3.1.23 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

The WP DSGVO Tools (GDPR) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an unknown parameter in versions up to, and including, 3.1.23 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.79%

51.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Legalweb	Wp Dsgvo Tools	< 3.1.24

References

https://blog.nintechnet.com/wordpress-wp-dsgvo-tools-gdpr-plugin-patched-vulnerability-actively-exploited/Exploit, Third Party Advisory
https://wordpress.org/support/topic/weiterleitung-redirects/Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/6c18ab1b-02f1-4679-8cff-679d98dc9f4a?source=cveThird Party Advisory
https://blog.nintechnet.com/wordpress-wp-dsgvo-tools-gdpr-plugin-patched-vulnerability-actively-exploited/Exploit, Third Party Advisory
https://wordpress.org/support/topic/weiterleitung-redirects/Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/6c18ab1b-02f1-4679-8cff-679d98dc9f4a?source=cveThird Party Advisory

Timeline

Published: Jun 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4358?

How severe is CVE-2021-4358?

CVE-2021-4358 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4358?

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-2021-4358?

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

Scan your code now

Source: NVD / NIST