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    CVE-2023-3342

    The User Registration plugin for WordPress is vulnerable to arbitrary file uploads due to a hardcoded encryption key and missing file type validation on the 'ur_upload_profile_pic' function in versions up to, and including, 3.0.2. This makes it possible for authenticated attackers with subscriber-level capabilities or above to upload arbitrary files on the affected site's server which may make remote code execution possible. This was partially patched in version 3.0.2 and fully patched in version 3.0.2.1.

    Published:Jul 13, 2023
    Last Modified:Apr 8, 2026
    EPS:Jul 13, 2023
    EPSS Score:0.06396
    CVSS Score:9.9

    Affected Products

    Vendor
    Wpeverest
    Product
    User Registration

    Exploits

    https://lana.codes/lanavdb/c0a58dff-7a5b-4cc0-82d6-2255e61d801c/https://lana.codes/lanavdb/c0a58dff-7a5b-4cc0-82d6-2255e61d801c/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2026-73995 (CVSS 5.4) — Subscriber Broken Authentication in User Registration <= 5.2.6 versions.…
    CVE-2026-73403 (CVSS 5.3) — Unauthenticated Broken Access Control in User Registration <= 5.2.6 versions.…
    CVE-2026-42652 (CVSS 7.1) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpeveres…
    CVE-2026-32488 (CVSS 8.1) — Incorrect Privilege Assignment vulnerability in wpeverest User Registration user-registration allows Privilege…
    CVE-2026-24353 (CVSS 4.3) — Missing Authorization vulnerability in wpeverest User Registration user-registration allows Exploiting Incorre…
    CVE-2025-67956 (CVSS 8.2) — Missing Authorization vulnerability in wpeverest User Registration user-registration allows Exploiting Incorre…
    CVE-2025-14976 (CVSS 5.4) — The User Registration & Membership – Custom Registration Form Builder, Custom Login Form, User Profile, Conten…
    CVE-2025-13367 (CVSS 6.4) — The User Registration & Membership – Custom Registration Form Builder, Custom Login Form, User Profile, Conten…
    CVE-2025-6831 (CVSS 6.4) — The User Registration plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's urcr_…
    CVE-2025-39400 (CVSS 7.1) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpeveres…

    References

    https://lana.codes/lanavdb/c0a58dff-7a5b-4cc0-82d6-2255e61d801c/
    https://plugins.trac.wordpress.org/browser/user-registration/tags/3.0.1/includes/functions-ur-core.php#L3156
    https://plugins.trac.wordpress.org/changeset/2933689/user-registration/trunk/includes/functions-ur-core.php
    https://www.wordfence.com/threat-intel/vulnerabilities/id/a979e885-f7dd-4616-a881-64f3d97c309d?source=cve
    http://packetstormsecurity.com/files/173434/WordPress-User-Registration-3.0.2-Arbitrary-File-Upload.html
    https://lana.codes/lanavdb/c0a58dff-7a5b-4cc0-82d6-2255e61d801c/
    https://plugins.trac.wordpress.org/browser/user-registration/tags/3.0.1/includes/functions-ur-core.php#L3156
    https://plugins.trac.wordpress.org/changeset/2933689/user-registration/trunk/includes/functions-ur-core.php
    https://www.wordfence.com/threat-intel/vulnerabilities/id/a979e885-f7dd-4616-a881-64f3d97c309d?source=cve

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High