The Rucy plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.4.4. This is due to missing or incorrect nonce validation on the save_rc_post_meta() function. This makes it possible for unauthenticated attackers to save post meta via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-34223 The Rucy plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.4.4. This is due to missing or incorrect nonce validation on the save_rc_post_meta() function. This makes it possible for unauthenticated attackers to save post meta via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 08 Apr 2026 17:45:00 +0000

Type Values Removed Values Added
Title Rucy <= 0.4.4 - Cross-Site Request Forgery Bypass
Weaknesses CWE-352

Mon, 28 Oct 2024 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-04-08T16:54:47.769Z

Reserved: 2023-06-30T16:38:19.286Z

Link: CVE-2021-4396

cve-icon Vulnrichment

Updated: 2024-08-03T17:23:10.777Z

cve-icon NVD

Status : Modified

Published: 2023-07-01T06:15:09.690

Modified: 2026-04-08T18:17:17.667

Link: CVE-2021-4396

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses