CVE-2021-4446Known exploitationNetwork attack vector

Subscriber site modification via exposed administrative nonce

Published Oct 16, 2024 · Updated Apr 8, 2026

Authorization bypass in WPDeveloper Essential Addons for Elementor 4.6.4 and earlier allows remote authenticated users to alter site settings. The plugin discloses an administrative nonce to subscribers, then accepts it for sensitive operations without checking the caller’s capabilities. Subscriber-level access is sufficient to change settings or install arbitrary plugins, expanding control over the WordPress site.

CVSS severity6.3
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Authorization bypass in WPDeveloper Essential Addons for Elementor 4.6.4 and earlier allows remote authenticated users to alter site settings. The plugin discloses an administrative nonce to subscribers, then accepts it for sensitive operations without checking the caller’s capabilities. Subscriber-level access is sufficient to change settings or install arbitrary plugins, expanding control over the WordPress site.

The record

CVE
CVE-2021-4446
Published
Oct 16, 2024
Updated
Apr 8, 2026
Vendor
ReviewX Team
Product
Essential Addons for Elementor
Classifications
CWE-862, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=4.6.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ReviewX Team · Essential Addons for Elementorversion=0 <=4.6.4

Published CVSS scores

6.3WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo