Deserialization Vulnerability in BoyunCMS Installation Handler
CVE-2025-7099

6.3MEDIUM

Key Information:

Vendor: Boyun
Status: Boyuncms
Vendor: CVE Published:; 7 July 2025

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👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7099?

A notable vulnerability exists in BoyunCMS versions up to 1.21 concerning the Installation Handler component. The vulnerability arises from an exploitable functionality located in the file install/install2.php, where manipulation of the db_host argument can lead to deserialization. This issue can be exploited remotely, posing a risk to systems utilizing the affected version of BoyunCMS. Although the exploitation complexity is deemed high, its public disclosure raises concerns about potential attacks. Organizations using this CMS should take immediate action to secure their installations.

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Affected Version(s)

BoyunCMS 1.0

BoyunCMS 1.1

BoyunCMS 1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-7099 - Proof of Concept