CVE-2026-57809

WordPress AffiliateWP plugin <= 2.34.0 - Reflected Cross Site Scripting (XSS) vulnerability

Unauthenticated Cross Site Scripting (XSS) in AffiliateWP <= 2.34.0 versions.

We have discovered 6,040 live websites that are affected by CVE-2026-57809.

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Affected Software

Product  AffiliateWP
Category Wordpress Plugins
Vulnerable Domains6,040 live websites (98% of AffiliateWP install base)
Vulnerable Versions
  • from 0 through 2.34
Vulnerable Versions Count175 versions ( 99% of all versions)


Common Weakness Enumeration

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



Details

  • Published - Jul 23, 2026
  • Updated - Jul 23, 2026

Credits

  • dutafi | Patchstack Bug Bounty Program (finder)

Website Distribution by Country

Number of websites using CVE-2026-57809
United States3,397 websites


Germany354 websites
GB274 websites
Singapore195 websites
France165 websites
Netherlands147 websites
Spain146 websites
Canada112 websites
Cyprus102 websites
Australia94 websites

Website Distribution by TLD

Number of websites using CVE-2026-57809
.com4,015 websites
.de163 websites
.org155 websites
.net131 websites
.co.uk126 websites
.nl90 websites
.com.au77 websites
.com.br74 websites
.co59 websites
.io55 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-57809

Top websites that are affected by CVE-2026-57809. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*******.com United States*,***
************.com United States*,***
**********.com United States*,***
*************.com United States*,***
***********.com Singapore*,***
************.com United States*,***
******.com United States*,***
**********.com United States*,***
************.com United States*,***
*********.com United States*,***
See full domain list

FAQ

CVE-2026-57809 is Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in AffiliateWP
A total of 6,040 websites have been identified as vulnerable to CVE-2026-57809, based on global website indexing conducted by WebTechSurvey.
The AffiliateWP is affected by the CVE-2026-57809 vulnerability.
AffiliateWP versions up to and including 2.34 are vulnerable to CVE-2026-57809.