CVE-2025-11521 Astra Security Suite – Firewall & Malware Scan <= 0.2 - Unauthenticated Arbitrary File Upload
Unauthenticated attackers can upload arbitrary files via insufficient validation, potentially leading to remote code execution on WordPress sites.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11521?
CVE-2025-11521 is a high-severity vulnerability in astrasecuritysuite Astra Security Suite – Firewall & Malware Scan, published on 11 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-285
Which versions are affected by CVE-2025-11521?
How do I fix CVE-2025-11521?
No fix has been published for CVE-2025-11521 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-11521 being exploited?
There is no known exploitation of CVE-2025-11521 in the wild and no public exploit code.
Sources
Also known as GHSA-2vv4-mhf8-rgmr.