CVE-2026-41556

The ProfilePress WordPress plugin before 4.17.1 does not strip shortcodes from two of its profile fields before rendering them on public pages, allowing unauthenticated attackers to store shortcodes that are then executed when the page is viewed, disclosing a chosen user's email address, login and registration date.

The ProfilePress plugin for WordPress up to version 4.16.19 is vulnerable to arbitrary shortcode execution. This is due to improper validation before running do_shortcode. Authenticated attackers with subscriber-level access can execute arbitrary shortcodes, and partial mitigations can be bypassed via various render paths.

The ProfilePress plugin for WordPress up to version 4.16.18 is vulnerable to arbitrary file upload. The allowed_mime_types function globally adds executable extensions (.exe, .apk, .msi) to the MIME allowlist without scoping to digital product contexts. This allows authenticated attackers with author-level access or above to upload executable files, leading to remote code execution.

The ProfilePress plugin for WordPress up to version 4.16.11 allows arbitrary shortcode execution. This is because billing field values from the checkout process are interpolated into shortcode template strings without proper sanitization. Unauthenticated attackers can execute arbitrary shortcodes by submitting crafted billing field values during checkout.

The ProfilePress plugin for WordPress up to version 4.16.11 has a vulnerability allowing unauthorized membership payment bypass. Missing ownership verification on the change_plan_sub_id parameter in process_checkout() allows authenticated attackers (subscriber level and above) to reference another user's active subscription, manipulate proration calculations, and obtain paid lifetime membership plans without payment.