CVE-2021-4396 describes a Cross-Site Request Forgery (CSRF) vulnerability in the Rucy plugin for WordPress, affecting versions up to and including 0.4.4. This flaw stems from inadequate nonce validation in the save_rc_post_meta() function, allowing unauthenticated attackers to save post metadata through forged requests if they can trick an administrator into clicking a malicious link. The vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with low impact on integrity and no impact on confidentiality or availability, requiring user interaction. There is no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.4.4CPE matchmatch criteria | cpe:2.3:a:rucy_project:rucy:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.