CVE-2025-7099 BoyunCMS Installation install2.php deserialization
Remote attackers can exploit a deserialization flaw in the installation handler to potentially execute arbitrary code, requiring specific installation conditions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-7099?
CVE-2025-7099 is a medium-severity unsafe deserialization vulnerability in BoyunCMS, published on 6 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been found in BoyunCMS up to 1.21 on PHP7 and classified as critical. Affected by this vulnerability is an unknown functionality of the file install/install2.php of the component Installation Handler. The manipulation of the argument db_host leads to deserialization. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-7099?
It affects 1 product.
Products include Boyuncms Project Boyuncms.
How do I fix CVE-2025-7099?
No fix has been published for CVE-2025-7099 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-7099 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7099 exists.
Other vulnerabilities in BoyunCMS
Sources
Also known as GHSA-h249-8hpj-j6ph.