GreenCMS up to 2.3 index.php?m=admin&c=custom&a=pluginadd pluginAddLocal unrestricted upload
Summary
A vulnerability was found in GreenCMS up to 2.3 and classified as critical. Affected is the function pluginAddLocal of the file /index.php?m=admin&c=custom&a=pluginadd. The manipulation results in unrestricted upload. This vulnerability only affects products that are no longer supported by the maintainer.
This vulnerability is reported as CVE-2026-7043. The attack can be launched remotely. Moreover, an exploit is present.
Details
A vulnerability classified as critical has been found in GreenCMS up to 2.3. Affected is the function pluginAddLocal of the file /index.php?m=admin&c=custom&a=pluginadd. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is available at github.com. This vulnerability is traded as CVE-2026-7043. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.
The exploit is shared for download at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Name
Version
Support
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Unrestricted uploadCWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
04/25/2026 Advisory disclosed04/25/2026 VulDB entry created
04/25/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-7043 (🔒)
GCVE (CVE): GCVE-0-2026-7043
GCVE (VulDB): GCVE-100-359622
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/25/2026 18:06Changes: 04/25/2026 18:06 (55)
Complete: 🔍
Submitter: R21Z20
Cache ID: 216::103
Submit
Accepted
- Submit #798529: https://github.com/GreenCMS/GreenCMS GreenCMS v2.3 arbitrary file deletion (by R21Z20)
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