CVE-2025-9400

Summary

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 Software

Weaknesses

• CWE-434: Unrestricted Upload
• CWE-284: Improper Access Controls

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

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

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