All vulnerabilities

WordPress plugins

CVE-2021-24307

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

Severity
High 8.8
Published
9 May 2021
Added to UpHeron
21 Oct 2026
Fixed in
4.1.0.2
Also known as
WPV-9ef90f55799e
Sources
WPVulnerability

Affected software

SoftwareAffected versions
All in One SEOWordPress plugins · wp-plugin:all-in-one-seo-pack
  • Every version before 4.1.0.2

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-24307
  • Wordfence https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/all-in-one-seo-pack/all-in-one-seo-4101-authenticated-code-injection