CVE-2025-10636 NS Maintenance Mode for WP <= 1.3.1 - Admin+ Stored XSS
Admin users can inject malicious scripts via unsanitized settings in the NS Maintenance Mode for WP plugin, affecting multisite environments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-10636?
CVE-2025-10636 is a low-severity cross-site scripting vulnerability in Unknown NS Maintenance Mode for WP, published on 30 Oct 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The NS Maintenance Mode for WP WordPress plugin through 1.3.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Which versions are affected by CVE-2025-10636?
How do I fix CVE-2025-10636?
No fix has been published for CVE-2025-10636 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-10636 being exploited?
There is no known exploitation of CVE-2025-10636 in the wild and no public exploit code.
Sources
Also known as GHSA-4hfm-xmwc-7ffw.