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CVE-2025-11827

MEDIUM 6.4 CVSS 3.1
Published
October 22, 2025
Last modified
October 8, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The Oboxmedia Ads plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'before_widget' and 'after_widget' parameters of the oboxads-ad-widget shortcode in all versions up to, and including, 1.9.8. This is 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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • oboxgroup Oboxmedia Ads — Up to and including 1.9.8

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/oboxmedia-ads/tags/1.9.8/includes/oboxads-ad-widget.php#L156
  • wordpress.org https://wordpress.org/plugins/oboxmedia-ads
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/1d8b79cc-287e-420b-8eb8-6345a62e9fb9?source=cve
  • nvd.nist.gov Official NVD record