CVE-2020-23138 json
An unrestricted file upload vulnerability was discovered in the Microweber 1.1.18 admin account page.
published 2020-11-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-15891
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
An unrestricted file upload vulnerability was discovered in the Microweber 1.1.18 admin account page. An attacker can upload PHP code or any extension (eg- .exe) to the web server by providing image data and the image/jpeg content type with a .php extension.
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
gist.github.com
/virendratiwari03/0918aaba97eba31666630996ab3aeec3
third-party-advisory
-
gist.github.com
/virendratiwari03/800f96271f22c0c2f5aea126c7f1f170
third-party-advisory
Sources
- CVE List CVE-2020-23138
- NVD CVE-2020-23138
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