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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-3343

26
FAUCET Score

CVE-2023-3343 is a PHP Object Injection vulnerability affecting the User Registration plugin for WordPress, versions up to and including 3.0.1. Authenticated attackers with subscriber-level permissions can exploit this by injecting a PHP Object through the 'profile-pic-url' parameter. While the plugin itself lacks a POP chain, its presence in other installed plugins or themes could lead to severe impacts such as arbitrary file deletion, sensitive data retrieval, or remote code execution. This vulnerability has a high CVSS score of 8.8, indicating a high potential for impact, but there is currently no known active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.1CPE matchmatch criteria
cpe:2.3:a:wpeverest:user_registration:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.13%
Probability of exploitation in next 30 days
EPSS Percentile
63.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0113 is in the 60th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

plugins.trac.wordpress.org / browser/user-registration/tags/3.0.1/includes/functions-ur-core.php
Patch
plugins.trac.wordpress.org / changeset/2932199/user-registration/trunk/includes/functions-ur-core.php
Patch
wordfence.com / threat-intel/vulnerabilities/id/3590277a-3319-4707-b728-d75ea59e8ad9
Third Party Advisory