Is CVE-2023-0581 in the CISA KEV catalog?

No. CVE-2023-0581 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-0581?

CVE-2023-0581 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-0581?

CVE-2023-0581 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-0581?

Upgrade privatecontent to 8.4.4 or later.

CVE & CISA-KEV Catalog

CVE-2023-0581

MEDIUM

5.3

CVSS v3

NVD

Description

The PrivateContent plugin for WordPress is vulnerable to protection mechanism bypass due to the use of client side validation in versions up to, and including, 8.4.3. This is due to the plugin checking if an IP had been blocklist via client-side scripts rather than server-side. This makes it possible for unauthenticated attackers to bypass any login restrictions that may prevent a brute force attack.

CWE-602

How to fix

Remediation Available

privatecontentNVD

Affected:< 8.4.4Fixed in:8.4.4CVE-2023-0581derived 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

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.73%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory1

lcweb.it

Third-Party Advisory1

wordfence.com

Other references1

wordfence.com

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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.