CVE-2026-4610 ProfileGrid <= 5.9.9.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Message Content
Authenticated attackers can inject arbitrary scripts via message content, leading to script execution in victim browsers.
- 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-2026-4610?
CVE-2026-4610 is a medium-severity cross-site scripting vulnerability in metagauss ProfileGrid – User Profiles, Groups and Communities, published on 23 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pm_author_message' parameter in the pm_send_message_to_author function in all versions up to, and including, 5.9.9.2 due to insufficient input sanitization and output escaping. 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. The vulnerability was partially patched in version 5.9.8.5.
Weakness: CWE-79
Which versions are affected by CVE-2026-4610?
How do I fix CVE-2026-4610?
No fix has been published for CVE-2026-4610 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-2026-4610 being exploited?
There is no known exploitation of CVE-2026-4610 in the wild and no public exploit code.
Sources
Also known as GHSA-377q-j2cj-r6x8.