CVE-2023-2159: medium-severity vulnerability in niteo CMP – Coming Soon & Maintenance Plugin…
CMP – Coming Soon & Maintenance <= 4.1.7 - Maintenance Mode Bypass
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.8%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
niteo · CMP – Coming Soon & Maintenance Plugin by NiteoThemesRelated CVEs — niteo CMP – Coming Soon & Maintenance Plugin…
In the same product, most dangerous first.
CVE-2020-36730HIGHCMP <= 3.8.1 - Missing AuthorizationEPSS 2.3%CVE-2023-1263MEDIUMCMP – Coming Soon & Maintenance Plugin by NiteoThemes <= 4.1.6 - Information ExposureEPSS 1.4%CVE-2026-6518HIGHCMP – Coming Soon & Maintenance Plugin by NiteoThemes <= 4.1.16 - Missing Authorization to Authenticated (Administrator+) Arbitrary File Upload and Remote Code ExecutionEPSS 0.9%CVE-2026-12470HIGHCMP <= 4.1.17 - Authenticated (Editor+) Privilege Escalation via Arbitrary Option Update to cmp_ajax_import_settings AJAX ActionEPSS 0.6%
References
https://plugins.trac.wordpress.org/browser/cmp-coming-soon-maintenance/tags/4.1.6/niteo-cmp.php#L808https://plugins.trac.wordpress.org/changeset/2900571/cmp-coming-soon-maintenance/tags/4.1.8/cmp-advanced.php?old=2873620&old_path=cmp-coming-soon-maintenance%2Ftags%2F4.1.7%2Fcmp-advanced.phphttps://www.wordfence.com/threat-intel/vulnerabilities/id/af955f69-b18c-446e-b05e-6a57a5f16dfa?source=cve