CVE-2020-36755

MEDIUM

Customizr <= 4.3.0 - Cross-Site Request Forgery via czr_fn_post_fields_save()

Title source: llm

Description

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.

References (9)

Core 9

Core References

Not Applicable

https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/

Exploit, Third Party Advisory

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

Not Applicable

https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/

Not Applicable

https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/

Not Applicable

https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/

Not Applicable

https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/

Not Applicable

https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/

Patch

https://themes.trac.wordpress.org/browser/customizr/4.3.1/core/czr-admin-ccat.php?rev=135570#L1764

Third Party Advisory

https://www.wordfence.com/threat-intel/vulnerabilities/id/d9f6b600-a35a-49c2-8758-a7cc5c00e947?source=cve

Scores

CVSS v3 4.3

EPSS 0.0040

EPSS Percentile 31.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-352

Status published

Products (2)

nikeo/Customizr < 4.3.0

presscustomizr/customizr < 4.3.0

Published Oct 20, 2023

Tracked Since Feb 18, 2026