What’s Vulnerable › Vulnerabilities

CVE-2025-9400: YiFang CMS P_file.php mergeMultipartUpload unrestricted upload

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-25 · updated 2026-06-17
• Weakness: CWE-284

Description

A flaw has been found in YiFang CMS up to 2.0.5. This affects the function mergeMultipartUpload of the file app/utils/base/plugin/P_file.php. This manipulation of the argument File causes unrestricted upload. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• wanglongcn Yifang: through 2.0.5

References

• https://github.com/August829/Yu/blob/main/20250811_3.md
• https://github.com/August829/Yu/blob/main/20250811_3.md#poc
• https://vuldb.com/?ctiid.321236
• https://vuldb.com/?id.321236
• https://vuldb.com/?submit.632535

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