CVE-2020-36755

Customizr <= 4.3.0 - Cross-Site Request Forgery Bypass

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.

Affected

nikeo · Customizr

CVSS v3.1 NVD

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

EPSS

0.39% chance of exploitation in the next 30 days, 32nd percentile

Published

2023-10-20

Updated

2026-04-08

Proof-of-concept exploits (1)

• https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/

Security advisories

• https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d9f6b600-a35a-49c2-8758-a7cc5c0…
• https://themes.trac.wordpress.org/browser/customizr/4.3.1/core/czr-admin-ccat.php?rev=135…

References

• CVE Record
• NVD entry