CVE-2026-2420 LotekMedia Popup Form <= 1.0.6 - Authenticated (Administrator+) Stored Cross-Site Scripting via Plugin Settings
Administrators can inject arbitrary scripts into popup forms, leading to code execution on the frontend for site visitors.
- 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-2026-2420?
CVE-2026-2420 is a medium-severity cross-site scripting vulnerability in LotekMedia Popup Form, published on 7 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The LotekMedia Popup Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin settings in all versions up to, and including, 1.0.6 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 frontend of the site where the popup is displayed.
Weakness: CWE-79
Which versions are affected by CVE-2026-2420?
How do I fix CVE-2026-2420?
No fix has been published for CVE-2026-2420 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-2026-2420 being exploited?
There is no known exploitation of CVE-2026-2420 in the wild and no public exploit code.
Sources
Also known as GHSA-4jm6-9pwc-w558.