What is CVE-2025-12122?

CVE-2025-12122 is a medium-severity vulnerability in Wpcalc Popup Box – Easily Create Wordpress Popups, classified under OS Command Injection. CVSS score: 6.4/10. Published 2026-02-18.

How severe is CVE-2025-12122?

Medium severity. CVSS v3 base score is 6.4 out of 10.

RCE in Wpcalc Popup Box – Easily Create Wordpress Popups

CVE-2025-12122

The Popup Box – Easily Create WordPress Popups plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'iframeBox' shortcode in all versions up to, and including, 3.2.12 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.002 (8.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Wpcalc Popup Box – Easily Create Wordpress Popups — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

Frequently asked questions

What is CVE-2025-12122?: CVE-2025-12122 is a medium-severity vulnerability in Wpcalc Popup Box – Easily Create Wordpress Popups, classified under OS Command Injection. CVSS score: 6.4/10. Published 2026-02-18.
How severe is CVE-2025-12122?: Medium severity. CVSS v3 base score is 6.4 out of 10.