CVE-2019-16146 is a medium-severity (CVSS 4.8) Cross-site Scripting (XSS) vulnerability in github.com/gophish/gophish. A fix is available for github.com/gophish/gophish — see the affected versions and patch details below.
Gophish XSS Vulnerability
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
github.com/gophish/gophishReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.
Description
Gophish through 0.8.0 allows XSS via a username.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐹Go | github.com/gophish/gophish | all versions | 0.9.0go get github.com/gophish/gophish@v0.9.0 |
Affected Products
gophishgetgophishDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/gophish/gophish, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update github.com/gophish/gophish to 0.9.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2019-16146 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.
Frequently Asked Questions
Is CVE-2019-16146 in your dependencies?
Find it across Go, including transitive dependencies.