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CVE-2021-4409

16
FAUCET Score

CVE-2021-4409 affects the WooCommerce Etsy Integration plugin for WordPress, specifically versions up to and including 3.3.1. This Cross-Site Request Forgery (CSRF) vulnerability stems from inadequate nonce validation in the etcpf_delete_feed() function. An unauthenticated attacker could exploit this by tricking an administrator into clicking a malicious link, leading to the deletion of an export feed. With a CVSS score of 4.3 (Medium), the attack requires user interaction but has low impact, primarily affecting data integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.3.1CPE matchmatch criteria
cpe:2.3:a:exportfeed:woocommerce_etsy_integration:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
31.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 32nd percentile among its peer group of 26,219 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

blog.nintechnet.com / 25-wordpress-plugins-vulnerable-to-csrf-attacks
Third Party Advisory
blog.nintechnet.com / more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks
Not Applicable
blog.nintechnet.com / multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1
Not Applicable
blog.nintechnet.com / multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2
Not Applicable
blog.nintechnet.com / multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3
Not Applicable
blog.nintechnet.com / multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4
Not Applicable
blog.nintechnet.com / multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5
Third Party Advisory
plugins.trac.wordpress.org / changeset/2573194
Patch
wordfence.com / threat-intel/vulnerabilities/id/99489cc0-2e73-4d55-b95f-46d574897fac
Third Party Advisory