title: CraftCMS stored XSS in Quick Post widget error message
description: Craft is a CMS for creating custom digital experiences on the web.The platform does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload. Old CVE fixed the XSS in label HTML but didn’t fix it when clicking save. This issue was patched in version 4.4.6.
problem types: CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
affected:
{
vendor: craftcms
product: cms
versions:
version: >= 4.0.0-RC1, < 4.4.6, status: affected
version: >= 3.0.0, <= 3.8.5, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 3.7
baseSeverity: LOW
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L
version: 3.1
]