CVE-2026-7044

GreenCMS index.php themeadd unrestricted upload

State: Published
Severity: 5.3 Medium
Published: Apr 26, 2026
Updated: Apr 27, 2026
Reserved: Apr 25, 2026

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	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-434 Unrestricted Upload
CWE-284 Improper Access Controls

Affected Products

Product	Versions
GreenCMSn/a	2.0Affected 2.1Affected 2.2Affected 2.3Affected

References

VDB-359623 | GreenCMS index.php themeadd unrestricted uploadvdb-entrytechnical-description
VDB-359623 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #798530 | https://github.com/GreenCMS/GreenCMS GreenCMS v2.3 arbitrary file deletionthird-party-advisory
https://github.com/ueh1013/VULN/issues/21exploitissue-tracking

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