BaseFortify

Publication date: 2025-12-17

Last updated on: 2025-12-24

Assigner: VulnCheck

Description

Serendipity 2.4.0 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension. Attackers can upload files with system command payloads to the media upload endpoint and execute arbitrary commands on the server.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-12-17

Last Modified

2025-12-24

Generated

2026-07-06

AI Q&A

2025-12-18

EPSS Evaluated

2026-07-05

NVD

CVE-2023-53933

EUVD

EUVD-2023-60198

Affected Vendors & Products

Vendor	Product	Version / Range
s9y	serendipity	2.4.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-434	The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Attack-Flow Graph

Executive Summary

This vulnerability in Serendipity 2.4.0 allows authenticated attackers to upload malicious PHP files with a .phar extension through the media upload endpoint. These files can contain system command payloads, enabling attackers to execute arbitrary commands on the server remotely.

Impact Analysis

The vulnerability can lead to remote code execution on the server, allowing attackers to run arbitrary system commands. This can compromise the server's security, potentially leading to data theft, server control loss, service disruption, or further attacks within the network.

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