CVE-2021-36913

Name: CVE-2021-36913
Creator: NVD / NIST
Published: 2022-10-11T18:15:09.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2021-36913 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7 plugin <= 2.4.0 at WordPress allows attackers to change options and inject scripts into the footer HTML. Requires an additional extension (plugin) AccessiBe.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7 plugin <= 2.4.0 at WordPress allows attackers to change options and inject scripts into the footer HTML. Requires an additional extension (plugin) AccessiBe.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.53%

40.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redirection-For-Contact-Form7	Redirection For Contact Form 7	< 2.6.0

References

https://patchstack.com/database/vulnerability/wpcf7-redirect/wordpress-redirection-for-contact-form-7-plugin-2-4-0-unauthenticated-options-change-vulnerability?_s_id=cveThird Party Advisory
https://wordpress.org/plugins/wpcf7-redirect/#developersProduct, Third Party Advisory
https://patchstack.com/database/vulnerability/wpcf7-redirect/wordpress-redirection-for-contact-form-7-plugin-2-4-0-unauthenticated-options-change-vulnerability?_s_id=cveThird Party Advisory
https://wordpress.org/plugins/wpcf7-redirect/#developersProduct, Third Party Advisory

Timeline

Published: Oct 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36913?

How severe is CVE-2021-36913?

CVE-2021-36913 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36913?

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-2021-36913?

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

Scan your code now

Source: NVD / NIST