CVE-2021-4444Known exploitationNetwork attack vector

Unauthenticated filter creation and script injection

Published Oct 16, 2024 · Updated Apr 8, 2026

Missing authorization in WooBeWoo's Product Filter for WooCommerce by WBW 1.4.9 and earlier allows remote attackers to create scripted filters. Published sources identify missing authorization checks across multiple functions but do not name the functions or request parameters. No account is required; created filters can store malicious JavaScript that executes for site visitors, and exploitation was observed at discovery.

CVSS severity7.3
High
EPSS probability0.34%
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

Missing authorization in WooBeWoo's Product Filter for WooCommerce by WBW 1.4.9 and earlier allows remote attackers to create scripted filters. Published sources identify missing authorization checks across multiple functions but do not name the functions or request parameters. No account is required; created filters can store malicious JavaScript that executes for site visitors, and exploitation was observed at discovery.

The record

CVE
CVE-2021-4444
Published
Oct 16, 2024
Updated
Apr 8, 2026
Vendor
WooBeWoo
Product
Product Filter for WooCommerce by WBW
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

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 <=1.4.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WooBeWoo · Product Filter for WooCommerce by WBWversion=0 <=1.4.9

Published CVSS scores

7.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
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