title: Simple SEO <= 1.7.91 - Authenticated (Contributor+) Stored Cross-Site Scripting
description: The Simple SEO plugin for WordPress is vulnerable to attribute-based stored Cross-Site Scripting in versions up to, and including 1.7.91, due to insufficient sanitization or escaping on the SEO social and standard title parameters. This can be exploited by authenticated users with Contributor and above permissions to inject arbitrary web scripts into posts/pages that execute whenever an administrator access the page.
problem types: CWE-79 Cross-site Scripting (XSS)
affected:
{
product: Simple SEO
vendor: coleds
versions:
lessThanOrEqual: 1.7.91, status: affected, version: 1.7.91, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 6.4
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: LOW
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
version: 3.1
]