Coaster CMS Stored Cross-site Scripting vulnerability

MEDIUM 6.1CVE-2018-17876 · GHSA-77cq-wgpf-g449 · Published 04/10/2018 · updated 17/06/2026

In short

CVE-2018-17876 is a MEDIUM (CVSS 6.1) vulnerability affecting web-feet/coastercms, coaster cms (web-feet).
Chance of exploitation in the next 30 days (EPSS): 1.00%, higher than 63.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
web-feet/coastercms Packagist	`= 5.5.0`	No fix yet
coaster cms web-feet	`= 5.5.0`	No fix yet

A Stored Cross-site Scripting vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.

NVD description

A Stored XSS vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.

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