CVE-2026-7044

GreenCMS index.php themeadd unrestricted upload

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.

Affected

GreenCMS

CVSS v4.0 VULDB

2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 VULDB

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

0.35% chance of exploitation in the next 30 days, 27th percentile

Published

2026-04-26

Updated

2026-04-27

Proof-of-concept exploits (1)

• ueh1013/VULN/issues/21

References

• CVE Record
• NVD entry

Related

• CVE-2025-10251
• CVE-2025-15187
• CVE-2025-15455
• CVE-2025-15456
• CVE-2025-15457
• CVE-2025-15458