How severe is CVE-2021-34624?

CVE-2021-34624 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-2021-34624 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34624?

CVE-2021-34624 affects Properfraction Profilepress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34624?

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-2021-34624 published?

CVE-2021-34624 was published on 2021-07-07 and last updated on 2026-06-17.

CVE-2021-34624

CVE-2021-34624 is a critical-severity vulnerability in Properfraction Profilepress 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Properfraction Profilepress
Published: 2021-07-07
Last modified: 2026-06-17

Description

A vulnerability in the file uploader component found in the ~/src/Classes/FileUploader.php file of the ProfilePress WordPress plugin made it possible for users to upload arbitrary files during user registration or during profile updates. This issue affects versions 3.0.0 - 3.1.3. .

Frequently asked questions

What is CVE-2021-34624?: A vulnerability in the file uploader component found in the ~/src/Classes/FileUploader.php file of the ProfilePress WordPress plugin made it possible for users to upload arbitrary files during user registration or during profile updates. This issue affects versions 3.0.0 - 3.1.3. .
How severe is CVE-2021-34624?: CVE-2021-34624 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-2021-34624 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34624?: CVE-2021-34624 affects Properfraction Profilepress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34624?: 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-2021-34624 published?: CVE-2021-34624 was published on 2021-07-07 and last updated on 2026-06-17.

References

https://www.wordfence.com/blog/2021/06/easily-exploitable-critical-vulnerabilities-patched-in-profilepress-plugin/

Affected products (1)

cpe:2.3:a:properfraction:profilepress:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Properfraction Profilepress

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CVE-2021-34621 — Critical (CVSS 9.8): A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the…
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