CVE-2023-53924
UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Upload
Description
UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attackers to upload PHP files with .phar extension during profile avatar upload. Attackers can trigger code execution by visiting the uploaded file's location, enabling system command execution through maliciously crafted avatar uploads.
INFO
Published Date :
Dec. 17, 2025, 11:15 p.m.
Last Modified :
Dec. 18, 2025, 7:38 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Apply the latest UliCMS security patch.
- Review uploaded avatar files for suspicious extensions.
- Restrict file upload types to authorized formats.
- Monitor system logs for unauthorized access attempts.
Public PoC/Exploit Available at Github
CVE-2023-53924 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-53924.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-53924 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-53924
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
This repository contains a curated list of 41 officially registered CVEs discovered through independent security research.
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-53924 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-53924 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Dec. 18, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:ulicms:ulicms:2023.1:*:*:*:*:*:*:* Added Reference Type VulnCheck: https://web.archive.org/web/20230314183734/https://en.ulicms.de/ Types: Product Added Reference Type CISA-ADP: https://www.exploit-db.com/exploits/51434 Types: Exploit Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/51434 Types: Exploit Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/ulicms-sniffing-vicuna-remote-code-execution-via-avatar-upload Types: Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Dec. 18, 2025
Action Type Old Value New Value Added Reference https://www.exploit-db.com/exploits/51434 -
New CVE Received by [email protected]
Dec. 17, 2025
Action Type Old Value New Value Added Description UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attackers to upload PHP files with .phar extension during profile avatar upload. Attackers can trigger code execution by visiting the uploaded file's location, enabling system command execution through maliciously crafted avatar uploads. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-434 Added Reference https://web.archive.org/web/20230314183734/https://en.ulicms.de/ Added Reference https://www.exploit-db.com/exploits/51434 Added Reference https://www.vulncheck.com/advisories/ulicms-sniffing-vicuna-remote-code-execution-via-avatar-upload