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Vulnerabilities

Vulnerability · CVE-2021-34621

properfraction profilepress Improper Privilege Management

Published Feb 3, 2023 · catalog updated Feb 3, 2023 · properfraction profilepress Improper Privilege

Patch now

CVE-2021-34621 is in the CISA known-exploited catalog. Confirm properfraction profilepress Improper Privilege against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (properfraction profilepress Improper Privilege).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
68.86%
Remediation
Remediation guidance
Affected products
vendor properfraction profilepress

A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. . Initial-access exploit intelligence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor properfraction profilepressversion unspecified

How to fix CVE-2021-34621

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-34621 is in the CISA known-exploited catalog. Confirm properfraction profilepress Improper Privilege against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 68.86%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 3, 2023 · VulnCheck KEV

    Detected

    A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. . Initial-access exploit intelligence.

  2. Feb 3, 2023 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2021-34621

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-34621

    30-day exploitation probability 68.9%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2021-34621

    A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.