CVE-2020-36755

MEDIUM 4.3

Customizr <= 4.3.0 - Cross-Site Request Forgery Bypass

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

The Customizr theme for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.3.0. This is due to missing or incorrect nonce validation on the czr_fn_post_fields_save() function. This makes it possible for unauthenticated attackers to post fields 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	nikeo
Product	customizr
Published	Oct 20, 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

nikeo / Customizr

0 ≤ 4.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/d9f6b600-a35a-49c2-8758-a7cc5c00e947?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/ themes.trac.wordpress.org: https://themes.trac.wordpress.org/browser/customizr/4.3.1/core/czr-admin-ccat.php?rev=135570#L1764

Credits

Jerome Bruandet