#VU105101 Improper access control in Masquerade

Vulnerability identifier: #VU105101

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Masquerade
Web applications / Modules and components for CMS

Vendor: Backdrop CMS

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and masquerade as an administrator.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Masquerade: before 1.x-1.0.1

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External links
https://backdropcms.org/security/backdrop-sa-contrib-2025-006

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.