CVE-2026-7044 (GCVE-0-2026-7044)

Vulnerability from cvelistv5 – Published: 2026-04-26 13:30 – Updated: 2026-04-27 16:41 Unsupported When Assigned
VLAI
Title
GreenCMS index.php themeadd unrestricted upload
Summary
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.
Severity
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
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
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
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/359623 vdb-entrytechnical-description
https://vuldb.com/vuln/359623/cti signaturepermissions-required
https://vuldb.com/submit/798530 third-party-advisory
https://github.com/ueh1013/VULN/issues/21 exploitissue-tracking
Impacted products
Vendor Product Version
n/a GreenCMS Affected: 2.0
Affected: 2.1
Affected: 2.2
Affected: 2.3
    cpe:2.3:a:greencms:greencms:*:*:*:*:*:*:*:*
Credits
R21Z20 (VulDB User)
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.