CVE-2018-15178

Severity: medium (CVSS 6.1 v3.0)
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: yes
Published: 2018-08-08 · updated 2026-06-17
Weakness: CWE-601

Description

Open redirect vulnerability in Gogs before 0.12 allows remote attackers to redirect users to arbitrary websites and conduct phishing attacks via an initial /\ substring in the user/login redirect_to parameter, related to the function isValidRedirect in routes/user/auth.go.

Affected products

gogs: before 0.12 — fixed in 0.12

How to fix

Upgrade to a fixed version: gogs 0.12. Check the vendor advisory for mitigations.

References

https://github.com/gogs/gogs/issues/5364
https://github.com/gogs/gogs/pull/5365
https://github.com/gogs/gogs/issues/5364
https://github.com/gogs/gogs/pull/5365

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