CVE-2023-0586

All in One SEO Pack <= 4.2.9 - Authenticated (Contributor+) Stored Cross-Site Scripting

The All in One SEO Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in versions up to, and including, 4.2.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with Contributor+ role to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

We have discovered 190,473 live websites that are affected by CVE-2023-0586.

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Affected Software

Product  All in One SEO Pack
Category Search Engine Optimization
Vulnerable Domains190,473 live websites (30% of All in One SEO Pack install base)
Vulnerable Versions
  • from 0 through 4.2.9
Vulnerable Versions Count193 versions ( 62% of all versions)


Common Weakness Enumeration

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')



Details

  • Published - Feb 24, 2023
  • Updated - Apr 8, 2026

Credits

  • Ivan Kuzymchak (finder)

Website Distribution by Country

Number of websites using CVE-2023-0586
United States33,797 websites


Japan69,018 websites
Russia15,254 websites
Germany9,400 websites
France5,850 websites
GB5,019 websites
Poland4,778 websites
Italy4,677 websites
Turkey2,624 websites

Website Distribution by TLD

Number of websites using CVE-2023-0586
.com82,089 websites
.ru15,757 websites
.jp14,686 websites
.co.jp8,845 websites
.net8,807 websites
.org5,915 websites
.de5,070 websites
.pl3,762 websites
.it3,167 websites
.co.uk2,835 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2023-0586

Top websites that are affected by CVE-2023-0586. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*****.net Canada***
*********.com Italy*,***
*****.com United States*,***
*******.io Russia*,***
***************.com Croatia*,***
*************.org United States*,***
*********.**.jp Japan**,***
**********.ru Russia**,***
**********.info United States**,***
*********.**.jp Japan**,***
See full domain list

FAQ

CVE-2023-0586 is Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in All in One SEO Pack
A total of 190,473 websites have been identified as vulnerable to CVE-2023-0586, based on global website indexing conducted by WebTechSurvey.
The All in One SEO Pack is affected by the CVE-2023-0586 vulnerability.
All in One SEO Pack versions up to and including 4.2.9 are vulnerable to CVE-2023-0586.