CVE-2026-4248
HighSummary
Wtyczka Ultimate Member dla WordPressa jest podatna na ujawnienie wrażliwych informacji we wszystkich wersjach do 2.11.2 włącznie. Problem wynika z przetwarzania tagu szablonu '{usermeta:password_reset_link}' w treści postu za pomocą shortcode '[um_loggedin]', co pozwala na wygenerowanie ważnego tokena resetowania hasła dla aktualnie zalogowanego użytkownika.
Risk Assessment
Zagrożenie polega na tym, że uwierzytelnieni atakujący z dostępem na poziomie Contributor i wyżej mogą stworzyć złośliwy post, który po podglądzie przez Administratora generuje token resetowania hasła, co prowadzi do przejęcia konta Administratora.
Recommendation
Zaleca się aktualizację wtyczki Ultimate Member do najnowszej wersji, aby usunąć tę podatność. Dodatkowo, należy ograniczyć dostęp do podglądu postów dla użytkowników z niższymi uprawnieniami.
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Original NVD description (English source)
The Ultimate Member plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.11.2. This is due to the '{usermeta:password_reset_link}' template tag being processed within post content via the '[um_loggedin]' shortcode, which generates a valid password reset token for the currently logged-in user viewing the page. This makes it possible for authenticated attackers, with Contributor-level access and above, to craft a malicious pending post that, when previewed by an Administrator, generates a password reset token for the Administrator and exfiltrates it to an attacker-controlled server, leading to full account takeover.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS