Is CVE-2024-6624 in the CISA KEV catalog?

No. CVE-2024-6624 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-6624?

CVE-2024-6624 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2024-6624?

CVE-2024-6624 has an EPSS score of 2.87% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-6624?

Upgrade json api user to 3.9.4 or later.

CVE & CISA-KEV Catalog

CVE-2024-6624

CRITICALEPSS 85th pctl

9.8

CVSS v3

NVD

Description

The JSON API User plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 3.9.3. This is due to improper controls on custom user meta fields. This makes it possible for unauthenticated attackers to register as administrators on the site. The plugin requires the JSON API plugin to also be installed.

CWE-269Improper Privilege Management

How to fix

Remediation Available

json api userNVD

Affected:< 3.9.4Fixed in:3.9.4CVE-2024-6624derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.87%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Patch1

plugins.trac.wordpress.org

Third-Party Advisory1

wordfence.com

Product2

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-08.