Vulnerability Description
The Snippet Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 5.2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/shortcode-variables/tags/5.1.7/includ
- https://plugins.trac.wordpress.org/browser/shortcode-variables/tags/5.1.7/includ
- https://plugins.trac.wordpress.org/browser/shortcode-variables/tags/5.1.7/includ
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3647346%40shortcode-v
- https://www.wordfence.com/threat-intel/vulnerabilities/id/6dd14860-2cf5-45ec-a1d
FAQ
What is CVE-2026-16758?
CVE-2026-16758 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The Snippet Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 5.2.0 due to insufficient input sanitization and...
How severe is CVE-2026-16758?
CVE-2026-16758 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-16758?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.