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CVE-2026-4979

MEDIUM 5.0 CVSS 3.1
Published
April 11, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-918
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Description

The UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP plugin for WordPress is vulnerable to blind Server-Side Request Forgery in all versions up to, and including, 1.2.58. This is due to insufficient URL origin validation in the process_image_crop() method when processing avatar/banner image crop operations. The function accepts a user-controlled URL via the uwp_crop POST parameter and only validates it using esc_url() for sanitization and wp_check_filetype() for extension verification, without enforcing that the URL references a local uploads file. The URL is then passed to uwp_resizeThumbnailImage() which uses it in PHP image processing functions (getimagesize(), imagecreatefrom*()) that support URL wrappers and perform outbound HTTP requests. This makes it possible for authenticated attackers with subscriber-level access and above to coerce the WordPress server into making arbitrary HTTP requests to attacker-controlled or internal network destinations, enabling internal network scanning and potential access to sensitive services.

Affected WordPress components

  • UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP Plugin · userswp
    Confirmed match Active
    Up to and including 1.2.58
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • stiofansisland UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP — Up to and including 1.2.58

References

  • github.com https://github.com/AyeCode/userswp/commit/ca0c81b9c76a26c5ac78a8f3604cf9122a7a4aa1
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/userswp/tags/1.2.55/includes/class-forms.php#L198
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/userswp/tags/1.2.55/includes/helpers/misc.php#L136
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/userswp/trunk/includes/class-forms.php#L198
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/userswp/trunk/includes/helpers/misc.php#L136
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/9cd2b3fd-1bca-4611-9753-ccb57b0e36a4?source=cve
  • nvd.nist.gov Official NVD record