What is CVE-2026-2420?

CVE-2026-2420 is a medium-severity vulnerability in Lotekmedia Popup Form, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2026-03-07.

How severe is CVE-2026-2420?

Medium severity. CVSS v3 base score is 4.4 out of 10.

XSS in Lotekmedia Popup Form

CVE-2026-2420

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (9.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Lotekmedia Popup Form — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-2420?: CVE-2026-2420 is a medium-severity vulnerability in Lotekmedia Popup Form, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2026-03-07.
How severe is CVE-2026-2420?: Medium severity. CVSS v3 base score is 4.4 out of 10.