The All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post Meta Description and Canonical URL parameters in all versions up to, and including, 4.8.1.1 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.
CVE ID: CVE-2025-2892
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Vendor: smub
Product: All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 6.61% (scored less or equal to compared to others)
EPSS Date: 2025-06-07 (when was this score calculated)