CVE-2023-53933

8.8 HIGH
Published: December 17, 2025 Modified: December 24, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://docs.s9y.org/
Source: disclosure@vulncheck.com
Product
https://www.exploit-db.com/exploits/51372
Source: disclosure@vulncheck.com
Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/51372
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Third Party Advisory VDB Entry

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.4%
63th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

s9y