CVE-2021-24527

Name: CVE-2021-24527
Creator: NVD / NIST
Published: 2021-08-16T11:15:08.803+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 7.70%

Last modified Jun 17, 2026

CVE-2021-24527 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The User Registration & User Profile – Profile Builder WordPress plugin before 3.4.9 has a bug allowing any user to reset the password of the admin of the blog, and gain unauthorised access, due to a bypass in the way the reset key is checked. Furthermore, the admin will not be notified of such change by email for example.. EPSS estimates a 7.70% chance of exploitation in the next 30 days.

Description

The User Registration & User Profile – Profile Builder WordPress plugin before 3.4.9 has a bug allowing any user to reset the password of the admin of the blog, and gain unauthorised access, due to a bypass in the way the reset key is checked. Furthermore, the admin will not be notified of such change by email for example.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

7.70%

93.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Cozmoslabs	Profile Builder	< 3.4.9

References

https://wpscan.com/vulnerability/c142e738-bc4b-4058-a03e-1be6fca47207Exploit, Third Party Advisory
https://wpscan.com/vulnerability/c142e738-bc4b-4058-a03e-1be6fca47207Exploit, Third Party Advisory

Timeline

Published: Aug 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24527?

How severe is CVE-2021-24527?

CVE-2021-24527 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 7.70% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24527?

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-2021-24527?

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

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Source: NVD / NIST