Unknown All In One Seo vulnerabilities

3 CVEs affecting Unknown All In One Seo, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-19856, published 2026-10-02.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2026-82884, published 2026-09-02. Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days. The All in One SEO WordPress plugin before 5.0.0.1 does not sanitise and escape some content stored in posts before rendering it back in the post editor, which could allow users with the contributor…
CVE-2026-10755, published 2026-07-20. Low severity, CVSS 2.7. EPSS: 0.3% chance of exploitation in the next 30 days. The All in One SEO WordPress plugin before 4.9.9 does not correctly restrict access to some of its AI integration REST API endpoints, allowing users with low-level privileges such as Contributors to…
CVE-2026-19856, published 2026-10-02. Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days. The All in One SEO WordPress plugin before 5.0.2.1 does not correctly determine which shortcodes are present in content derived from user input before deciding which ones to strip, allowing…