Vulnerability record · CVE-2025-11521 · published 11 November 2025
CVE-2025-11521: Improper authorization vulnerability
The Astra Security Suite – Firewall & Malware Scan plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient validation of remote URLs for zip downloads and an easily guessable key in all versions up to, and including, 0.2. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Description
The Astra Security Suite – Firewall & Malware Scan plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient validation of remote URLs for zip downloads and an easily guessable key in all versions up to, and including, 0.2. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Track CVE-2025-11521 inside VULONE
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2025-11521), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
