cvedb.io
CVE-2026-8438
HIGH · CVSS 7.2
EPSS exploitation probability: 0%
Published 2026-06-06T02:16:21.453 · Last modified 2026-06-17T11:03:56.773

Summary

The All-In-One Security (AIOS) – Security and Firewall plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.4.7. This is due to insufficient input sanitization in the get_rest_route() function and missing output escaping in the column_default() method of the debug log list table. When the 'Disable REST API for non-logged in users' feature (aiowps_disallow_unauthorized_rest_requests) is enabled alongside debug logging (aiowps_enable_debug), an unauthenticated attacker can embed arbitrary HTML or JavaScript in the REST request path. The path is retrieved via urldecode($_SERVER['REQUEST_URI']), which decodes URL-encoded payloads into literal HTML characters. This decoded, unsanitized value is concatenated directly into a debug log message and sto

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.