Description
A vulnerability was found in GreenCMS up to 2.3. Affected is the function themeadd of the file /index.php?m=admin&c=custom&a=themeadd. The manipulation results in unrestricted upload. The attack can be launched remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.
Scores
CVSS v3
6.3
EPSS
0.0003
EPSS Percentile
9.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-284
CWE-434
Status
published
Products (4)
None/GreenCMS
2.0
None/GreenCMS
2.1
None/GreenCMS
2.2
None/GreenCMS
2.3
Published
Apr 26, 2026
Tracked Since
Apr 26, 2026