CVE-2025-27822 – Backdrop CMS Masquerade Module Privilege Escalation Vulnerability

The following table lists the changes that have been made to the
CVE-2025-27822 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Mar. 07, 2025

    Action Type Old Value New Value
    Added Description An issue was discovered in the Masquerade module before 1.x-1.0.1 for Backdrop CMS. It allows people to temporarily switch to another user account. The module provides a “Masquerade as admin” permission to restrict people (who can masquerade) from switching to an account with administrative privileges. This permission is not always honored and may allow non-administrative users to masquerade as an administrator. This vulnerability is mitigated by the fact that an attacker must have a role with the “Masquerade as user” permission.
    Added CVSS V3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-863
    Added Reference https://backdropcms.org/security/backdrop-sa-contrib-2025-006
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