CVE-2025-4260: youkefu Input Validation Flaw — Exploit

Description

A vulnerability was found in zhangyanbo2007 youkefu up to 4.2.0 and classified as problematic. Affected by this issue is the function impsave of the file m\web\handler\admin\system\TemplateController.java. The manipulation of the argument dataFile leads to deserialization. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
zhangyanbo2007	youkefu	All

References

Exploits

https://github.com/Serein123y/vulnerability/blob/main/vul.md

Other References

https://vuldb.com/?ctiid.307364 https://vuldb.com/?id.307364 https://vuldb.com/?submit.562902

Frequently Asked Questions

What is CVE-2025-4260? +

A vulnerability was found in zhangyanbo2007 youkefu up to 4.2.0 and classified as problematic. Affected by this issue is the function impsave of the file m\web\handler\admin\system\TemplateController.java. The manipulation of the argument dataFile leads to deserialization. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-4260? +

CVE-2025-4260 has a CVSS v3.1 score of 4.3 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-2025-4260? +

CVE-2025-4260 affects products from zhangyanbo2007, specifically: youkefu. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-4260? +

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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