Cross-site Scripting (XSS) in @scullyio/scully

MEDIUM 6.1CVE-2020-28470 · GHSA-r96p-v3cr-gfv8 · Published 14/01/2021 · updated 17/06/2026

In short

CVE-2020-28470 is a MEDIUM (CVSS 6.1) vulnerability affecting scully (scully), @scullyio/ng-lib, @scullyio/scully.
Chance of exploitation in the next 30 days (EPSS): 0.83%, higher than 57.9% of all vulnerabilities.
Fix: update to 1.0.9, 1.0.1 or later.

Package	Affected versions	Patched versions
scully scully	`< 1.0.9`	`1.0.9`
@scullyio/ng-lib npm	`< 1.0.1`	`1.0.1`
@scullyio/scully npm	`< 1.0.9`	`1.0.9`

Description

This affects the package @scullyio/scully before 1.0.9. The transfer state is serialised with the JSON.stringify() function and then written into the HTML page.

NVD description

This affects the package @scullyio/scully before 1.0.9. The transfer state is serialised with the JSON.stringify() function and then written into the HTML page.

References

nvd.nist.gov/vuln/detail/CVE-2020-28470 · ADVISORY
scullyio/scully#1182 · WEB
scullyio/scully · PACKAGE
snyk.io/vuln/SNYK-JS-SCULLYIOSCULLY-1055829 · WEB

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