What’s Vulnerable › Vulnerabilities
CVE-2020-12666
- Severity: medium (CVSS 6.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2020-05-05 · updated 2026-06-17
- Weakness: CWE-601
Description
macaron before 1.3.7 has an open redirect in the static handler, as demonstrated by the http://127.0.0.1:4000//example.com/ URL.
Affected products
- Fedoraproject Fedora: 32
- Go-Macaron Macaron: before 1.3.7 — fixed in 1.3.7
How to fix
Upgrade to a fixed version: Go-Macaron Macaron 1.3.7. Check the vendor advisory for mitigations.
References
- https://github.com/go-macaron/macaron/issues/198
- https://github.com/go-macaron/macaron/releases/tag/v1.3.7
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QEUOHRC4EN4WZ66EVFML2UCV7ZQ63XZ/
- https://github.com/go-macaron/macaron/issues/198
- https://github.com/go-macaron/macaron/releases/tag/v1.3.7
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QEUOHRC4EN4WZ66EVFML2UCV7ZQ63XZ/
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