What’s Vulnerable › Vulnerabilities

CVE-2020-23138

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-09 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• microweber/microweber: 1.1.18

References

• https://gist.github.com/virendratiwari03/0918aaba97eba31666630996ab3aeec3
• https://gist.github.com/virendratiwari03/800f96271f22c0c2f5aea126c7f1f170
• https://gist.github.com/virendratiwari03/0918aaba97eba31666630996ab3aeec3
• https://gist.github.com/virendratiwari03/800f96271f22c0c2f5aea126c7f1f170

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