Contest Gallery <= 28.1.5 - Unauthenticated Privilege Escalation Admin Account Takeover via Registration Confirmation Email-to-ID Type Confusion
The Contest Gallery plugin for WordPress is vulnerable to an authentication bypass leading to admin account takeover in all versions up to, and including, 28.1.5. This is due to the email confirmation handler in users-registry-check-after-email-or-pin-confirmation.php using the user's email string in a WHERE ID = %s clause instead of the numeric user ID, combined with an unauthenticated key-based login endpoint in ajax-functions-frontend.php. When the non-default RegMailOptional=1 setting is enabled, an attacker can register with a crafted email starting with the target user ID (e.g., 1poc@example.test), trigger the confirmation flow to overwrite the admin's user_activation_key via MySQL integer coercion, and then use the post_cg1l_login_user_by_key AJAX action to authenticate as the admin without any credentials. This makes it possible for unauthenticated attackers to take over any WordPress administrator account and gain full site control.
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| Plattform | Paket | Anfällige Versionen | Behoben in |
|---|---|---|---|
| WordPress-Plugin | Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe | <= 28.1.5 | 28.1.6 |
Verweise
- CVSS-Vektor
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H- Schwäche (CWE)
CWE-287- Plattform
- WordPress
- Paket
Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe- Veröffentlicht
- 23.03.2026
- Aktualisiert
- 11.10.2026 10:23
Quellen und Lizenzen
Wordfence Intelligence - f1b9725b-dee5-44ca-bb33-c6812fb76adc - Wordfence Intelligence
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Schwachstellenhistorie: Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe
Alle veröffentlichten Schwachstellen dieses Pakets (WordPress-Plugin), neueste zuerst. Zeigt, ob es ein einmaliger Ausrutscher ist oder ein Paket, das man im Auge behalten muss.
- Einträge insgesamt
- 66
- Erste → letzte
- 06.2019 09.2026
- Ohne Fix
- 0
- In Angriffen ausgenutzt
- 0
Verteilung nach Schweregrad
- Kritisch 5
- Hoch 29
- Mittel 32
Veröffentlichungen pro Jahr
- 2019: 1
- 2020: 0
- 2021: 2
- 2022: 20
- 2023: 2
- 2024: 12
- 2025: 10
- 2026: 19
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Contest Gallery <= 28.1.5 - Unauthenticated Privilege Escalation Admin Account Takeover via Registration Confirmation Email-to-ID Type Confusion dieser Eintrag
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