ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-14359

Improper Privilege Management

Published Sep 9, 2026 · catalog updated Sep 9, 2026 · YITH YITH WooCommerce Waitlist Premium

Patch now

CVE-2026-14359 is in the CISA known-exploited catalog. Confirm YITH YITH WooCommerce Waitlist Premium against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.24%
Remediation
Remediation guidance
Affected products
stated YITH WooCommerce Waitlist Premium · vendor YITH YITH WooCommerce Waitlist Premium

The YITH WooCommerce Waitlist Premium plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 3.35.0. This is due to the add_user_in_waiting_list() function registered on the wp_ajax_yith_wcwtl_add_user action being missing both a capability check and a nonce verification, and using parse_str() + extract() to import attacker-controlled variables from $_POST['params'] that are then passed to wp_create_user() and $user->set_role(). This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to that o

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 YITH WooCommerce Waitlist Premium<= 3.35.0
  • vendor YITH YITH WooCommerce Waitlist Premiumversion unspecified

How to fix CVE-2026-14359

What to do

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

Should you patch?

CVE-2026-14359 is in the CISA known-exploited catalog. Confirm YITH YITH WooCommerce Waitlist Premium 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 YITH WooCommerce Waitlist Premium <= 3.35.0. 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 0.24%. 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. Sep 9, 2026 · VulnCheck KEV

    Detected

    The YITH WooCommerce Waitlist Premium plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 3.35.0. This is due to the add_user_in_waiting_list() function registered on the wp_ajax_yith_wcwtl_add_user action being missing both a capability check and a nonce verification, and using parse_str() + extract() to import attacker-controlled variables from $_POST['pa

  2. Sep 9, 2026 · 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-2026-14359

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-14359

    30-day exploitation probability 0.2%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2026-14359

    The YITH WooCommerce Waitlist Premium plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 3.35.0. This is due to the add_user_in_waiting_list() function registered on the wp_ajax_yith_wcwtl_add_user action being missing both a capability c

    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.