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CVE-2021-4375

16
FAUCET Score

CVE-2021-4375 describes an authorization bypass vulnerability in the Welcart e-Commerce plugin for WordPress, affecting versions up to and including 2.2.7. This flaw allows authenticated attackers to download sensitive system information, including WordPress, plugin, PHP, and server settings, due to a missing capability check. Rated as Medium severity (CVSS 4.3), the vulnerability has a low attack complexity and requires authenticated access, leading to a potential impact of information disclosure. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.7CPE matchmatch criteria
cpe:2.3:a:welcart:welcart_e-commerce:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

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

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 56th percentile among its peer group of 21,974 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 0.0 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 / wordpress-welcart-e-commerce-plugin-fixed-vulnerabilities
Exploit
wordfence.com / threat-intel/vulnerabilities/id/d82e856b-c8c9-4139-ad54-89368e3b7125
Third Party Advisory