Options for Twenty Seventeen <= 2.5.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Vulnerability Description
The Options for Twenty Seventeen plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'social-links' shortcode in versions up to, and including, 2.5.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- István Márton
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/df35d8c6-55ec-4cf5-8055-93ec5193c0a4?source=cve
- https://plugins.trac.wordpress.org/browser/options-for-twenty-seventeen/tags/2.5.0/options-for-twenty-seventeen.php#L3110
- https://plugins.trac.wordpress.org/changeset/2971104/options-for-twenty-seventeen
Affected Vendor
domainsupport
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