CVE-2026-3348 MinhNhut Link Gateway <= 3.6.1 - Authenticated (Admin+) Stored Cross-Site Scripting via Plugin Settings
Administrators can inject arbitrary scripts via plugin settings in multi-site or restricted HTML environments, leading to script execution on redirect pages.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3348?
CVE-2026-3348 is a medium-severity cross-site scripting vulnerability in MinhNhut Link Gateway, published on 27 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The MinhNhut Link Gateway plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's settings (Description, Title, and other fields) in all versions up to, and including, 3.6.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the redirect page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Weakness: CWE-79
Which versions are affected by CVE-2026-3348?
How do I fix CVE-2026-3348?
No fix has been published for CVE-2026-3348 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-2026-3348 being exploited?
There is no known exploitation of CVE-2026-3348 in the wild and no public exploit code.
Sources
Also known as GHSA-7gg2-vjp2-m5j2.