Stored Cross-Site Scripting Vulnerability in NS Maintenance Mode Plugin for WordPress
CVE-2025-10636

3.5LOW

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10636?

The NS Maintenance Mode plugin for WordPress prior to version 1.3.1 has a vulnerability that stems from improper sanitization and escaping of certain settings. This flaw could potentially allow high-privilege users, like administrators, to execute stored cross-site scripting attacks, even when the unfiltered_html capability is turned off. This makes it particularly concerning in multisite configurations, where limitations on user capabilities are typically implemented to enhance security.

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Deploy the Patch

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-2025-10636 - Proof of Concept

References

https://wpscan.com/vulnerability/a1ab1d82-108e-4f66-9d06-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
3.5
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bob Matyas
WPScan
JSON
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