How severe is CVE-2023-2159?

CVE-2023-2159 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-2159 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2159?

CVE-2023-2159 affects Niteothemes Cmp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2159?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-2159 published?

CVE-2023-2159 was published on 2023-06-09 and last updated on 2026-06-17.

CVE-2023-2159

CVE-2023-2159 is a medium-severity vulnerability in Niteothemes Cmp with a CVSS 3.x base score of 5.3. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Niteothemes Cmp
Published: 2023-06-09
Last modified: 2026-06-17

Description

The CMP – Coming Soon & Maintenance plugin for WordPress is vulnerable to Maintenance Mode Bypass in versions up to, and including, 4.1.7. A correct cmp_bypass GET parameter in the URL (equal to the md5-hashed home_url in the default setting) allows users to visit a site placed in maintenance mode thus bypassing the plugin's provided feature.

Frequently asked questions

What is CVE-2023-2159?: The CMP – Coming Soon & Maintenance plugin for WordPress is vulnerable to Maintenance Mode Bypass in versions up to, and including, 4.1.7. A correct cmp_bypass GET parameter in the URL (equal to the md5-hashed home_url in the default setting) allows users to visit a site placed in maintenance mode thus bypassing the plugin's provided feature.
How severe is CVE-2023-2159?: CVE-2023-2159 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-2159 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2159?: CVE-2023-2159 affects Niteothemes Cmp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2159?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2159 published?: CVE-2023-2159 was published on 2023-06-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:niteothemes:cmp:*:*:*:*:*:wordpress:*:*

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