CVE-2025-6040: Easy Flashcards <= 0.1 - Cross-Site Request Forgery to Stored Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-14 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

sagesony Easy Flashcards: through 0.1

References

https://wordpress.org/plugins/easy-flashcards/#developers
https://www.wordfence.com/threat-intel/vulnerabilities/id/1ff97ee8-9732-4d26-b5e8-b744730e9c5a?source=cve

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