CVE-2025-4857

HIGH
2025-05-31 [email protected]
7.2
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:44 vuln.today
Patch Released
Mar 28, 2026 - 18:44 nvd
Patch available
CVE Published
May 31, 2025 - 12:15 nvd
HIGH 7.2

Tags

Information Disclosure PHP RCE WordPress Path Traversal Newsletters

Description

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.

Analysis

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. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. This Path Traversal vulnerability could allow attackers to access files and directories outside the intended path.

Technical Context

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. 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 products include: Tribulant Newsletters.

Affected Products

Tribulant Newsletters.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +0.5
CVSS: +36
POC: 0

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CVE-2025-4857 vulnerability details – vuln.today
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