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Back to active CVEs
Medium · CVSS 5.3CVE-2026-101138

CMP - Coming Soon & Maintenance 4.1.19 - 4.1.20 - Unauthenticated Maintenance Mode Bypass via Custom URL WhitelistCVE-2026-101138

Answer in brief

CVE-2026-101138 records a Medium severity (CVSS 5.3) vulnerability in CMP - Coming Soon & Maintenance 4.1.19 - 4.1.20 - Unauthenticated Maintenance Mode Bypass via Custom URL Whitelist. The current sources do not mark it as known exploited. The current feed maps Unknown/CMP – Coming Soon & Maintenance (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 21, 2026Updated Oct 21, 2026Source checked Oct 21, 2026First seen by HOL Oct 21, 2026Material review Oct 21, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/CMP – Coming Soon & Maintenance (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Unknown/CMP – Coming Soon & Maintenancegeneric>=4.1.19 <4.1.214.1.21

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/CMP – Coming Soon & Maintenance.
  2. 2Review the reported fix. Update Unknown/CMP – Coming Soon & Maintenance to 4.1.21 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 21, 2026

Sources and claim methodology

  • Source referencewpscan.com
Upstream source description

The CMP – Coming Soon & Maintenance WordPress plugin before 4.1.21 does not correctly apply maintenance mode to pages added to its page whitelist by manually entered URL pattern, allowing unauthenticated visitors to view the content of those pages while maintenance mode is active.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • TI WooCommerce Wishlist < 2.13.0 - Unauthenticated Private Wishlist Disclosure via share_keyAlso CWE-284

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-284
Source
CVE List V5
Source checked
Oct 21, 2026
References
1 linked source
Open source record