How severe is CVE-2021-24450?

CVE-2021-24450 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24450 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24450?

CVE-2021-24450 affects Properfraction Profilepress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24450?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-24450 published?

CVE-2021-24450 was published on 2021-08-02 and last updated on 2026-06-17.

CVE-2021-24450

CVE-2021-24450 is a medium-severity vulnerability in Properfraction Profilepress with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Properfraction Profilepress
Published: 2021-08-02
Last modified: 2026-06-17

Description

The User Registration, User Profiles, Login & Membership – ProfilePress (Formerly WP User Avatar) WordPress plugin before 3.1.8 did not sanitise or escape some of its settings before saving them and outputting them back in the page, allowing high privilege users such as admin to set JavaScript payloads in them even when the unfiltered_html capability is disallowed, leading to an authenticated Stored Cross-Site Scripting issue

Frequently asked questions

What is CVE-2021-24450?: The User Registration, User Profiles, Login & Membership – ProfilePress (Formerly WP User Avatar) WordPress plugin before 3.1.8 did not sanitise or escape some of its settings before saving them and outputting them back in the page, allowing high privilege users such as admin to set JavaScript payloads in them even when the unfiltered_html capability is disallowed, leading to an authenticated Stored Cross-Site Scripting issue
How severe is CVE-2021-24450?: CVE-2021-24450 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24450 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24450?: CVE-2021-24450 affects Properfraction Profilepress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24450?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24450 published?: CVE-2021-24450 was published on 2021-08-02 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/a8625579-fe8f-4bc1-a641-0e26ad141c92

Affected products (1)

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

More vulnerabilities in Properfraction Profilepress

CVE-2021-34624 — Critical (CVSS 9.8): A vulnerability in the file uploader component found in the ~/src/Classes/FileUploader.php file of the ProfilePress…
CVE-2021-34623 — Critical (CVSS 9.8): A vulnerability in the image uploader component found in the ~/src/Classes/ImageUploader.php file of the ProfilePress…
CVE-2021-34622 — Critical (CVSS 9.8): A vulnerability in the user profile update component found in the ~/src/Classes/EditUserProfile.php file of the…
CVE-2021-34621 — Critical (CVSS 9.8): A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the…
CVE-2023-41954 — High (CVSS 8.6): Improper Privilege Management vulnerability in ProfilePress Membership Team ProfilePress allows Privilege…
CVE-2024-9947 — High (CVSS 8.1): The ProfilePress Pro plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including,…

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