WordPress security changelog
HIGH CVE-2026-19991 Deferred

UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP: Arbitrary file deletion

UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP is affected by arbitrary file deletion. Exploitation requires an authenticated subscriber account. A successful request can remove files outside the intended scope and may make the site unavailable. The published affected range is <= 1.2.70.

CVE / CNA score 8.1 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP
Plugin slug
userswp
Affected
<= 1.2.70
Safe version
See mitigation notes
Published
Sep 11, 2026
Weakness
CWE-22 — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

This CVE was published Sep 11, 2026 and is one of 17 known issues for this plugin.

What to do

Update, patch or deactivate.

No fixed release is identified. Update UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP when a release after 1.2.70 becomes available; until then, disable and remove it when the site's risk warrants. The official upstream changelog lists version 1.2.72, which is newer than the published affected range. Its changelog does not clearly confirm this specific fix, so it is not counted as a known-safe release.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

The UsersWP plugin for WordPress is vulnerable to Arbitrary File Deletion in versions up to, and including, 1.2.70 via the upload_file_remove() AJAX handler. The plugin stores the value of an account 'file' form field taken directly from $_POST when no real $_FILES upload is provided (process_account() calls uwp_validate_fields() and array_merges the result with the empty output of UsersWP_Files::validate_uploads()). At storage time the value is only checked with validate_file(), which passes any string that does not contain a literal '../'. When the value is later processed by upload_file_remove(), it is again gated with validate_file() and then normalized through uwp_get_file_relative_url(); that helper performs a global str_replace() of the uploads base URL against the stored URL, allowing a crafted URL containing embedded '..<uploads-baseurl>' tokens to collapse into '../../' traversal sequences after the last validation. The transformed value is then appended to the uploads base directory and passed to wp_delete_file() without any canonical containment check. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary files on the affected site's server (including wp-config.

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

References

Primary and upstream sources