Fork CMS Cross-site Scripting Vulnerability

MEDIUM 6.1CVE-2020-13633 · GHSA-74gc-hf33-5353 · Published 27/05/2020 · updated 17/06/2026

In short

CVE-2020-13633 is a MEDIUM (CVSS 6.1) vulnerability affecting forkcms/forkcms, fork cms (fork-cms).
Chance of exploitation in the next 30 days (EPSS): 0.68%, higher than 52.4% of all vulnerabilities.
Fix: update to 5.8.3 or later.

Package	Affected versions	Patched versions
forkcms/forkcms Packagist	`< 5.8.3`	`5.8.3`
fork cms fork-cms	`< 5.8.3`	`5.8.3`

Fork before 5.8.3 allows XSS via navigation_title or title.

NVD description

Fork before 5.8.3 allows XSS via navigation_title or title.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

Packagist

< 5.8.3

5.8.3

< 5.8.3

5.8.3

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