UsersWP <= 1.2.70 - Authenticated (Subscriber+) Arbitrary File Deletion
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.
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| Platforma | Paczka | Podatne wersje | Poprawka w wersji |
|---|---|---|---|
| Wtyczka WordPress | UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP | <= 1.2.70 | 1.2.71 |
Odnośniki
- Wektor CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H- Słabość (CWE)
CWE-22- Platforma
- WordPress
- Paczka
UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP- Ujawniono
- 10.09.2026
- Aktualizacja
- 11.10.2026 10:23
Źródła i licencje
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Historia podatności: UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP
Wszystkie opisane podatności tej paczki (Wtyczka WordPress), od najnowszej. Widać, czy to jednorazowa wpadka, czy paczka, której trzeba pilnować.
- Wszystkich wpisów
- 24
- Pierwsza → ostatnia
- 09.2021 10.2026
- Bez poprawki
- 0
- Wykorzystywana w atakach
- 0
Rozkład istotności
- Krytyczna 1
- Wysoka 3
- Średnia 19
- Niska 1
Ujawnienia w latach
- 2021: 1
- 2022: 2
- 2023: 1
- 2024: 5
- 2025: 4
- 2026: 11
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UsersWP <= 1.2.70 - Authenticated (Subscriber+) Arbitrary File Deletion ten wpis
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