Description
WellCMS 2.0 beta3 is vulnerable to File Upload. A user can log in to the CMS background and upload a picture. Because the upload file type is controllable, the user can modify the upload file type to get webshell.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/Computer2200/-/issues/4
Vendor Advisory x_refsource_misc
http://www.wellcms.cn/read-27.html&&
Scores
CVSS v3
6.5
EPSS
0.0021
EPSS Percentile
42.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-434
Status
published
Products (1)
wellcms/wellcms
2.0 beta3
Published
Jun 03, 2021
Tracked Since
Feb 18, 2026