UpHeron
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WordPress plugins

CVE-2026-19856

All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights): Injection

Severity
Medium 6.5
Published
2 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
5.0.2.1
Also known as
WPV-03d4139b6c61
Sources
WPVulnerability

Affected software

SoftwareAffected versions
All in One SEOWordPress plugins · wp-plugin:all-in-one-seo-pack
  • Every version before 5.0.2.1

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-19856
  • Wordfence https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/all-in-one-seo-pack/all-in-one-seo-5020-unauthenticated-arbitrary-shortcode-execution