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TI-2023-02027 Aliases CVE-2023-2159GHSA-vw9j-prfj-jvhh

CMP – Coming Soon & Maintenance <= 4.1.7 - Maintenance Mode Bypass

Priority LOW 31CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00772 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
niteoCMP – Coming Soon & Maintenance Plugin by NiteoThemesup to 4.1.7—No fix listedCNA
  • CMP – Coming Soon & Maintenance Plugin by NiteoThemes Vendorniteo Affected up to 4.1.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:niteothemes:cmp:*:*:*:*:*:wordpress:*:*before 4.1.8Vulnerableniteo
  • cpe:2.3:a:niteothemes:cmp:*:*:*:*:*:wordpress:*:* Versions before 4.1.8 Vulnerable ·niteo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-2159
  2. 2026-10-03 Alias added: GHSA-vw9j-prfj-jvhh

References

Exploit 1

Patch 1

Advisory 1

  • TI-2020-18901 CMP <= 3.8.1 - Missing Authorization CVSS 3.1CRITICAL 9.3
  • TI-2022-00127 Coming Soon & Maintenance Plugin by NiteoThemes < 4.0.19 - Unauthenticated Arbitrary CSS Update CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences