CVE-2020-23138
An unrestricted file upload vulnerability was discovered in the Microweber 1.1.18 admin account page.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.31% probability · 71th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- microweber/microweber
- Source
- cve@mitre.org
EPSS 1.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://gist.github.com/virendratiwari03/0918aaba97eba31666630996ab3aeec3Third Party Advisory
- https://gist.github.com/virendratiwari03/800f96271f22c0c2f5aea126c7f1f170Third Party Advisory
- https://gist.github.com/virendratiwari03/0918aaba97eba31666630996ab3aeec3Third Party Advisory
- https://gist.github.com/virendratiwari03/800f96271f22c0c2f5aea126c7f1f170Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.