description: The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the contact form file field CSS metabox in all versions up to, and including, 2.6.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
problem types: CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
affected:
{
vendor: Themisle
product: Otter Blocks PRO – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE
versions:
version: *, status: affected, lessThanOrEqual: 2.6.3, versionType: semver
defaultStatus: unaffected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
baseScore: 6.4
baseSeverity: MEDIUM
]