How severe is CVE-2021-4444?

CVE-2021-4444 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-4444 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4444?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2021-4444 have an EU (EUVD) identifier?

Yes. CVE-2021-4444 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34629.

When was CVE-2021-4444 published?

CVE-2021-4444 was published on 2024-10-16 and last updated on 2026-06-17.

CVE-2021-4444

CVE-2021-4444 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-34629
Weakness: CWE-862
Published: 2024-10-16
Last modified: 2026-06-17

Description

The Product Filter by WooBeWoo plugin for WordPress is vulnerable to authorization bypass in versions up to, and including 1.4.9 due to missing authorization checks on various functions. This makes it possible for unauthenticated attackers to perform unauthorized actions such as creating new filters and injecting malicious javascript into a vulnerable site. This was actively exploited at the time of discovery.

Frequently asked questions

What is CVE-2021-4444?: The Product Filter by WooBeWoo plugin for WordPress is vulnerable to authorization bypass in versions up to, and including 1.4.9 due to missing authorization checks on various functions. This makes it possible for unauthenticated attackers to perform unauthorized actions such as creating new filters and injecting malicious javascript into a vulnerable site. This was actively exploited at the time of discovery.
How severe is CVE-2021-4444?: CVE-2021-4444 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-4444 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2021-4444?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2021-4444 have an EU (EUVD) identifier?: Yes. CVE-2021-4444 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34629.
When was CVE-2021-4444 published?: CVE-2021-4444 was published on 2024-10-16 and last updated on 2026-06-17.

References

Other CWE-862 (Missing Authorization) vulnerabilities

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CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

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