CVE-2021-4385
WP Private Content Plus <= 3.1 - Cross-Site Request Forgery Bypass
CVE-2021-4385 is a medium vulnerability (CVSS 4.3) in Nimeshrmr Wp Private Content Plus, 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.
The WP Private Content Plus plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.1. This is due to missing or incorrect nonce validation on the save_groups() function. This makes it possible for unauthenticated attackers to add new group members 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
WP Private Content Plus <= 3.1 - Cross-Site Request Forgery Bypass
The WP Private Content Plus plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.1. This is due to missing or incorrect nonce validation on the save_groups() function. This makes it possible for unauthenticated attackers to add new group members via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
CVE-2021-4385- 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-2021-34212
4.3
The WP Private Content Plus plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.1. This is due to missing or incorrect nonce validation on the save_groups() function. This makes it possible for unauthenticated attackers to add new group members via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
EUVD-2021-34212- 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-m34p-w2ph-8hgm
8.8
The WP Private Content Plus plugin for WordPress is vulnerable to Cross-Site Request Forgery in...
The WP Private Content Plus plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.1. This is due to missing or incorrect nonce validation on the save_groups() function. This makes it possible for unauthenticated attackers to add new group members via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
GHSA-m34p-w2ph-8hgm- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
NVD
4.3
The WP Private Content Plus plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.1. This is due to missing or incorrect nonce validation on the save_groups() function. This makes it possible for unauthenticated attackers to add new group members via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
CVE-2021-4385- 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
| When | Changed | Sources |
|---|---|---|
| 2026-11-02 | created | CVE List, EUVD, GitHub Advisories, NVD |
References
wordfence.com/threat-intel/vulnerabilities/id/238f6d81-78ba-426c-866a-31f9279e4f99?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=2473452%40wp-private-content-plus&new=2473452%40wp-private-content-plus&sfp_email=&sfph_mail=
nvd.nist.gov/vuln/detail/CVE-2021-4385
github.com/advisories/GHSA-m34p-w2ph-8hgm