PT-2026-35226 · Greencms · Greencms

R21Z20 · Published 2026-04-26 · Updated 2026-04-26 · CVE-2026-7044

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions GreenCMS versions prior to 2.3

Description A flaw in the themeadd() function within the '/index.php?m=admin&c=custom&a=themeadd' endpoint allows for unrestricted file upload. This issue can be exploited remotely.

Recommendations As a temporary workaround, restrict access to the '/index.php?m=admin&c=custom&a=themeadd' endpoint or disable the themeadd() function. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Unrestricted File Upload

Improper Access Control

Weakness Enumeration

CWE-434

CWE-284

Related Identifiers

CVE-2026-7044

Affected Products

Greencms

References · 6

• 🔥 https://github.com/ueh1013/VULN/issues/21 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7044 · Security Note
• https://vuldb.com/vuln/359623/cti · Note
• https://twitter.com/CVEnew/status/2048480974392951289 · Twitter Post
• https://vuldb.com/vuln/359623 · Note
• https://vuldb.com/submit/798530 · Note