Is CVE-2023-6634 in the CISA KEV catalog?

No. CVE-2023-6634 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-6634?

CVE-2023-6634 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2023-6634?

CVE-2023-6634 has an EPSS score of 8.54% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2023-6634?

No published fix for CVE-2023-6634 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2023-6634

HIGHEPSS 94th pctl

8.1

CVSS v3

NVD

Description

The LearnPress plugin for WordPress is vulnerable to Command Injection in all versions up to, and including, 4.2.5.7 via the get_content function. This is due to the plugin making use of the call_user_func function with user input. This makes it possible for unauthenticated attackers to execute any public function with one parameter, which could result in remote code execution.

CWE-88 CWE-77Command Injection

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

8.54%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-88 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-10033	Critical	9.8	100%	KEV	Fix
CVE-2022-36804	High	8.8	99%	KEV	Fix
CVE-2026-24061	Critical	9.8	99%	KEV	Fix
CVE-2007-0882	High	10.0	98%	-	-
CVE-2018-17456	Critical	9.8	97%	-	Fix
CVE-2018-19518	High	7.5	95%	-	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.