CVE-2021-24286

Name: CVE-2021-24286
Creator: NVD / NIST
Published: 2021-05-14T12:15:08.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 13.94%

Last modified Jun 17, 2026

CVE-2021-24286 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue. EPSS estimates a 13.94% chance of exploitation in the next 30 days.

Description

The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue

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

13.94%

96.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mooveagency	Redirect 404 To Parent	< 1.3.1

References

http://packetstormsecurity.com/files/164328/WordPress-Redirect-404-To-Parent-1.3.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://wpscan.com/vulnerability/b9a535f3-cb0b-46fe-b345-da3462584e27Exploit, Third Party Advisory
http://packetstormsecurity.com/files/164328/WordPress-Redirect-404-To-Parent-1.3.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://wpscan.com/vulnerability/b9a535f3-cb0b-46fe-b345-da3462584e27Exploit, Third Party Advisory

Timeline

Published: May 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24286?

The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue

How severe is CVE-2021-24286?

CVE-2021-24286 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 13.94% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24286?

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-2021-24286?

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

Scan your code now

Source: NVD / NIST