PT-2025-51962 · Ulicms · Ulicms

Mirabbas Ağalarov · Published 2025-12-17 · Updated 2025-12-20 · CVE-2023-53924

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions UliCMS version 2023.1-sniffing-vicuna

Description The software contains a remote code execution issue that allows authenticated attackers to upload PHP files with a .phar extension during profile avatar uploads. Attackers can execute code by accessing the uploaded file, which enables system command execution through malicious avatar uploads.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict the file types allowed for avatar uploads to prevent the upload of .phar files.

Exploit

Fix

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2023-53924

Affected Products

Ulicms

References · 7

• 🔥 https://exploit-db.com/exploits/51434 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-53924 · Security Note
• https://osv.dev/vulnerability/CVE-2023-53924 · Vendor Advisory
• https://twitter.com/CVEnew/status/2002487782435127389 · Twitter Post
• https://vulncheck.com/advisories/ulicms-sniffing-vicuna-remote-code-execution-via-avatar-upload · Note
• https://web.archive.org/web/20230314183734/https://en.ulicms.de · Note
• https://twitter.com/CveFindCom/status/2001437271489167647 · Twitter Post