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Vulnerabilities

Vulnerability · CVE-2021-36901

asylumdigital age_gate Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published Oct 21, 2021 · catalog updated Oct 21, 2021 · asylumdigital age_gate Improper Neutralization

Patch now

CVE-2021-36901 is in the CISA known-exploited catalog. Confirm asylumdigital age_gate Improper Neutralization 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 (asylumdigital age_gate Improper Neutralization).
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.80%
Remediation
Remediation guidance
Affected products
stated age_gate · vendor asylumdigital age_gate

Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability in Phil Baker's Age Gate plugin <= 2.17.0 at WordPress.

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.

  • stated age_gate<= 2.17.0
  • vendor asylumdigital age_gateversion unspecified

How to fix CVE-2021-36901

What to do

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

Should you patch?

CVE-2021-36901 is in the CISA known-exploited catalog. Confirm asylumdigital age_gate Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with <= 2.17.0. 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 0.80%. 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. Oct 21, 2021 · VulnCheck KEV

    Detected

    Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability in Phil Baker's Age Gate plugin <= 2.17.0 at WordPress.

  2. Oct 21, 2021 · 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-2021-36901

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-36901

    30-day exploitation probability 0.8%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2021-36901

    Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability in Phil Baker's Age Gate plugin <= 2.17.0 at WordPress.

    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.