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Servers and applications · WordPress plugins

CVE-2019-16520

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

Severity
Medium 5.4
Published
16 Oct 2019
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.2.7
Also known as
WPV-7e82d3d01308
Sources
NVD, WPVulnerability

Description

The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.

Affected software

SoftwareAffected versions
All in One SEOServers and applications · cpe:a:semperplugins:all_in_one_seo_pack
  • Every version before 3.2.7
All in One SEOWordPress plugins · wp-plugin:all-in-one-seo-pack
  • Every version before 3.2.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-16520
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-16520
  • Wordfence https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/all-in-one-seo-pack/all-in-one-seo-pack-326-stored-cross-site-scripting