CVE-2021-4410

MEDIUM 4.3

Qtranslate Slug <= 1.1.18 - Cross-Site Request Forgery Bypass

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

The Qtranslate Slug plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.18. This is due to missing or incorrect nonce validation on the save_postdata() function. This makes it possible for unauthenticated attackers to save post data via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CWE	CWE-352
Vendor	carlos_a_sanz
Product	qtranslate slug
Published	Jul 12, 2023
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

carlos_a_sanz / Qtranslate Slug

0 ≤ 1.1.18

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/9d682596-c32d-4abd-ba39-b57fc45c9ce0?source=cve blog.nintechnet.com: https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/ blog.nintechnet.com: https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/ blog.nintechnet.com: https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/ blog.nintechnet.com: https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/ blog.nintechnet.com: https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/ blog.nintechnet.com: https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/ blog.nintechnet.com: https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/ plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/qtranslate-slug/trunk/includes/class-qtranslate-slug.php#L2099

Credits

Jerome Bruandet