WordPress security changelog
MEDIUM CVE-2023-2159 Modified

CMP – Coming Soon & Maintenance: A security weakness

CMP – Coming Soon & Maintenance is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 5.3 CVSS 3.1 · security@wordfence.com
NVD score 5.3 CVSS 3.1 · nvd@nist.gov
Component
CMP – Coming Soon & Maintenance
Plugin slug
cmp-coming-soon-maintenance
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jun 09, 2023
Weakness
CWE-284 — Improper Access Control

This CVE was published Jun 09, 2023 and is one of 5 known issues for this plugin.

What to do

Update, patch or deactivate.

Update CMP – Coming Soon & Maintenance to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical 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.

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

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

References

Primary and upstream sources