CVE-2025-11521 — HIGH (8.1)

Vulnerability 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 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-285

References

FAQ

What is CVE-2025-11521?

CVE-2025-11521 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 ...

How severe is CVE-2025-11521?

CVE-2025-11521 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-11521?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.