Authorization Flaw in NS Maintenance Mode for WP Plugin by WordPress
CVE-2025-10638

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Ns Maintenance Mode For WP
Vendor
CVE Published:
22 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10638?

The NS Maintenance Mode for WP plugin, version 1.3.1, contains a significant authorization flaw that enables unauthenticated attackers to exploit its subscriber export feature. This vulnerability allows attackers to gain unauthorized access to a site's subscriber list, exposing sensitive information such as names and email addresses. Website owners using this plugin should take immediate steps to secure their installations to prevent potential data breaches.

Affected Version(s)

NS Maintenance Mode for WP 0 <= 1.3.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-10638 - Proof of Concept

References

https://wpscan.com/vulnerability/1998a079-d986-47fe-907f-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Khaled Alenazi (Nxploited)
WPScan
JSON
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CVE-2025-10638 : Authorization Flaw in NS Maintenance Mode for WP Plugin by WordPress