CVE-2026-4268 Cross-site scripting in WP Go Maps (formerly WP Google Maps)
Authenticated attackers can inject arbitrary scripts via the custom JS parameter, leading to stored XSS execution for other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4268?
CVE-2026-4268 is a medium-severity cross-site scripting vulnerability in wpgmaps WP Go Maps (formerly WP Google Maps), published on 18 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The WP Go Maps (formerly WP Google Maps) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘wpgmza_custom_js’ parameter in all versions up to, and including, 10.0.05 due to insufficient input sanitization and output escaping and missing capability check in the 'admin_post_wpgmza_save_settings' hook anonymous function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2026-4268?
How do I fix CVE-2026-4268?
No fix has been published for CVE-2026-4268 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-2026-4268 being exploited?
There is no known exploitation of CVE-2026-4268 in the wild and no public exploit code.
Sources
Also known as GHSA-m6wh-wq6q-6x3j.