CVE-2025-7099: boyuncms Input Validation Flaw (CVSS 5.6)

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.

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CVSS v3.1 Score

5.6

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
boyuncms_project	boyuncms	< 1.21

References

Other References

https://note-hxlab.wetolink.com/share/cQGEOmctNARD https://vuldb.com/?ctiid.315013 https://vuldb.com/?id.315013 https://vuldb.com/?submit.604310 https://note-hxlab.wetolink.com/share/cQGEOmctNARD

Frequently Asked Questions

What is CVE-2025-7099? +

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. It has a CVSS v3.1 base score of 5.6 (MEDIUM).

How severe is CVE-2025-7099? +

CVE-2025-7099 has a CVSS v3.1 score of 5.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-7099? +

CVE-2025-7099 affects products from boyuncms_project, specifically: boyuncms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-7099? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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