How severe is CVE-2021-24527?

CVE-2021-24527 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24527 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24527?

CVE-2021-24527 affects Cozmoslabs Profile Builder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24527?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-24527 published?

CVE-2021-24527 was published on 2021-08-16 and last updated on 2026-06-17.

CVE-2021-24527

CVE-2021-24527 is a critical-severity vulnerability in Cozmoslabs Profile Builder with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cozmoslabs Profile Builder
Published: 2021-08-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-24527?: 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.
How severe is CVE-2021-24527?: CVE-2021-24527 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24527 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24527?: CVE-2021-24527 affects Cozmoslabs Profile Builder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24527?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-24527 published?: CVE-2021-24527 was published on 2021-08-16 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/c142e738-bc4b-4058-a03e-1be6fca47207

Affected products (1)

cpe:2.3:a:cozmoslabs:profile_builder:*:*:*:*:*:wordpress:*:*

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