Canvs Canvas Cross-site Scripting (XSS) via title and content fields

MEDIUM 5.4CVE-2017-8298 · GHSA-3657-q433-mmpx · Published 27/04/2017 · updated 17/06/2026

In short

CVE-2017-8298 is a MEDIUM (CVSS 5.4) vulnerability affecting austintoddj/canvas, canvas (cnvs).
Chance of exploitation in the next 30 days (EPSS): 0.61%, higher than 49.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
austintoddj/canvas Packagist	`= 3.3.0`	No fix yet
canvas cnvs	`= 3.3.0`	No fix yet

cnvs.io Canvas 3.3.0 has XSS in the title and content fields of a "Posts > Add New" action, and during creation of new tags and users.

NVD description

cnvs.io Canvas 3.3.0 has XSS in the title and content fields of a "Posts > Add New" action, and during creation of new tags and users.

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