Description
Unrestricted file upload vulnerability in the yccms 3.3 project. The xhUp function's improper judgment of the request parameters, triggers remote code execution.
References (2)
Core 2
Core References
Broken Link, URL Repurposed x_refsource_misc
http://www.yccms.net/
Exploit, Third Party Advisory x_refsource_misc
https://blog.jiguang.xyz/posts/remote-code-execution-via-upload-image/
Scores
CVSS v3
9.8
EPSS
0.0299
EPSS Percentile
86.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-434
Status
published
Products (1)
yccms/yccms
3.3
Published
Feb 01, 2021
Tracked Since
Feb 18, 2026