XSS in Sagesony Easy Flashcards

CVE-2025-6040

The Easy Flashcards plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.1. This is due to missing or incorrect nonce validation on the 'ef_settings_submenu' page. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (9.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-6040?
CVE-2025-6040 is a medium-severity vulnerability in Sagesony Easy Flashcards, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-06-14.
How severe is CVE-2025-6040?
Medium severity. CVSS v3 base score is 6.1 out of 10.