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.
History

Thu, 18 Dec 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 18 Dec 2025 10:00:00 +0000

Type Values Removed Values Added
First Time appeared S9y
S9y serendipity
Vendors & Products S9y
S9y serendipity

Wed, 17 Dec 2025 23:00:00 +0000

Type Values Removed Values Added
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.
Title Serendipity 2.4.0 Authenticated Remote Code Execution via File Upload
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2025-12-17T22:44:59.632Z

Updated: 2025-12-18T18:54:23.264Z

Reserved: 2025-12-16T19:22:09.997Z

Link: CVE-2023-53933

cve-icon Vulnrichment

Updated: 2025-12-18T18:49:31.645Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2025-12-17T23:15:52.973

Modified: 2025-12-18T19:16:20.433

Link: CVE-2023-53933

cve-icon Redhat

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