CVE-2025-4857: Newsletters <= 4.9.9.9 - Authenticated (Administrator+) Local File Inclusion
The Newsletters plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 4.9.9.9 via the 'file' parameter. This makes it possible for authenticated attackers, with Administrator-level access and above, to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2025-4857?
CVE-2025-4857 is considered a high severity vulnerability due to its potential to allow authenticated attackers to execute arbitrary files.
How do I fix CVE-2025-4857?
To mitigate CVE-2025-4857, upgrade the Newsletters plugin to the latest version beyond 4.9.9.9.
Who is affected by CVE-2025-4857?
CVE-2025-4857 affects users of the Newsletters plugin for WordPress with versions up to and including 4.9.9.9.
What kind of attack can be executed with CVE-2025-4857?
CVE-2025-4857 allows authenticated attackers with Administrator-level access to perform Local File Inclusion attacks.
Is there any exploit available for CVE-2025-4857?
Yes, there are known exploits for CVE-2025-4857 that leverage the Local File Inclusion vulnerability.