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CVE-2019-16520

MEDIUM 5.4 CVSS 3.1
Published
October 16, 2019
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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 WordPress components

  • All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights) Plugin · all-in-one-seo-pack
    Confirmed match Active
    Versions not specified
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • n/a n/a — Versions not specified
  • semperplugins all_in_one_seo_pack — Before 3.2.7

References

  • www.openwall.com http://www.openwall.com/lists/oss-security/2019/10/16/5 Exploit, Mailing List, Third Party Advisory
  • github.com https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-04_WordPress_Plugin_All_in_One_SEO_Pack Exploit, Third Party Advisory
  • github.com https://github.com/semperfiwebdesign/all-in-one-seo-pack/issues/2888 Patch, Third Party Advisory
  • semperplugins.com https://semperplugins.com/all-in-one-seo-pack-changelog/ Release Notes, Vendor Advisory
  • wordpress.org https://wordpress.org/plugins/all-in-one-seo-pack/#developers Product, Third Party Advisory
  • wpvulndb.com https://wpvulndb.com/vulnerabilities/9915 Third Party Advisory
  • nvd.nist.gov Official NVD record