CVE-2021-4404 describes a Cross-Site Request Forgery (CSRF) vulnerability in the Event Espresso 4 Decaf WordPress plugin, affecting versions up to and including 4.10.11. This flaw stems from insufficient nonce validation within the ajaxHandler() function, allowing unauthenticated attackers to subscribe to notifications. With a CVSS score of 4.3 (Medium), this vulnerability requires user interaction (UI:R) and social engineering to trick an administrator into clicking a malicious link, leading to a low impact on integrity (I:L) but no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.10.11CPE matchmatch criteria | cpe:2.3:a:eventespresso:event_espresso_4_decaf:*:*:*:*:*: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.