CVE-2023-5063
Widget Responsive for Youtube <= 1.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Widget Responsive for Youtube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube' shortcode in versions up to, and including, 1.6.1 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.
| CWE | CWE-79 |
| Vendor | stefanoai |
| Product | widget responsive for youtube |
| Published | Sep 20, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
stefanoai / Widget Responsive for Youtube
0 ≤ 1.6.1
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/72daa533-8b17-420c-9b51-b5f72da2726c?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/youtube-widget-responsive/trunk/youtube-widget-responsive.php?rev=2905626#L246 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2968766/youtube-widget-responsive#file1
Credits
István Márton