CVE-2020-26048
Last modified
CVE-2020-26048 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.. EPSS estimates a 1.79% chance of exploitation in the next 30 days.
Description
The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cuppacms | Cuppacms | < 2019-11-12 |
References
- https://github.com/CuppaCMS/CuppaCMS/issues/7Third Party Advisory
- https://github.com/CuppaCMS/CuppaCMS/issues/7Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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