CVE-2020-36742
Custom Field Template <= 2.5.1 - Cross-Site Request Forgery Bypass
The Custom Field Template plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.1. This is due to missing or incorrect nonce validation on the edit_meta_value() function. This makes it possible for unauthenticated attackers to edit meta field values via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
4.3
Custom Field Template <= 2.5.1 - Cross-Site Request Forgery Bypass
The Custom Field Template plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.1. This is due to missing or incorrect nonce validation on the edit_meta_value() function. This makes it possible for unauthenticated attackers to edit meta field values via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
CVE-2020-36742- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2020-24183
4.3
The Custom Field Template plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.1. This is due to missing or incorrect nonce validation on the edit_meta_value() function. This makes it possible for unauthenticated attackers to edit meta field values via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
EUVD-2020-24183- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-j256-v92m-fqff
4.3
The Custom Field Template plugin for WordPress is vulnerable to Cross-Site Request Forgery in...
The Custom Field Template plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.1. This is due to missing or incorrect nonce validation on the edit_meta_value() function. This makes it possible for unauthenticated attackers to edit meta field values via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
GHSA-j256-v92m-fqff- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
NVD
4.3
The Custom Field Template plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.1. This is due to missing or incorrect nonce validation on the edit_meta_value() function. This makes it possible for unauthenticated attackers to edit meta field values via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
CVE-2020-36742- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-36742 is a medium vulnerability (CVSS 4.3) in Hiroaki Miyashita Custom Field Template, published July 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/3444c4b0-4619-482f-8313-d3006aa1e845?source=cve
blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks
blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks
blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3
blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2
blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1
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blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5
blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4
plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2368204%40custom-field-template&new=2368204%40custom-field-template&sfp_email=&sfph_mail=
nvd.nist.gov/vuln/detail/CVE-2020-36742
github.com/advisories/GHSA-j256-v92m-fqff