High · published November 20, 2025
⚡ A crafty little parameter manipulation can turn a lowly user into an admin in WBCE CMS! 🔥 Think of it like a hotel where a guest sneaks into the staff-only area and decides to upgrade their own room to the penthouse suite. The front desk might have a sign saying 'staff only', but if nobody checks IDs, chaos ensues! An attacker could easily escalate their privileges, gaining full administrative control over the CMS. This means they could access, modify, or delete any content, and even lock legitimate users out of the system. The result? A complete compromise of your web presence and potentially devastating consequences for your website's integrity!
Think of it like a hotel where a guest sneaks into the staff-only area and decides to upgrade their own room to the penthouse suite. The front desk might have a sign saying 'staff only', but if nobody checks IDs, chaos ensues! This vulnerability arises from a missing server-side validation in WBCE CMS that allows low-privileged users to manipulate the `groups[]` parameter in the `/admin/users/save.php` request. Without checks in place, attackers can overwrite their group membership and gain admin access, bypassing the UI restrictions.
An attacker could easily escalate their privileges, gaining full administrative control over the CMS. This means they could access, modify, or delete any content, and even lock legitimate users out of the system. The result? A complete compromise of your web presence and potentially devastating consequences for your website's integrity! To address this vulnerability, upgrade WBCE CMS to version 1.6.4 immediately. Ensure that server-side validation is properly implemented in any user input handling to prevent similar privilege escalation in the future. Regularly audit user permissions and access controls to maintain security. This is fixable! Just follow these steps, and you'll have your CMS secure in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| wbce/wbce_cms | < 1.6.4 | 1.6.4 |