CVE-2026-66637

WordPress Featured Video Plus plugin <= 2.3.3 - Cross Site Scripting (XSS) vulnerability

Contributor Cross Site Scripting (XSS) in Featured Video Plus <= 2.3.3 versions.

We have discovered 6,055 live websites that are affected by CVE-2026-66637.

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Affected Software

Product  Featured Video Plus
Category Wordpress Plugins
Vulnerable Domains6,055 live websites (99% of Featured Video Plus install base)
Vulnerable Versions
  • from 0 through 2.3.3
Vulnerable Versions Count9 versions ( 90% of all versions)


Common Weakness Enumeration

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



Details

  • Published - Aug 18, 2026
  • Updated - Aug 18, 2026

Credits

  • Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program (finder)

Website Distribution by Country

Number of websites using CVE-2026-66637
United States2,066 websites


Japan601 websites
Germany472 websites
France344 websites
Italy244 websites
GB220 websites
Spain187 websites
Netherlands185 websites
Russia164 websites
Canada103 websites

Website Distribution by TLD

Number of websites using CVE-2026-66637
.com2,806 websites
.org437 websites
.de203 websites
.net199 websites
.it153 websites
.nl142 websites
.ru125 websites
.jp121 websites
.fr120 websites
.co.uk93 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-66637

Top websites that are affected by CVE-2026-66637. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
****.*****.net United States***
***.com United States*,***
************.com United States**,***
**********.com United States**,***
******.fr Canada**,***
***********.org United States**,***
******.com United States**,***
***.com United States**,***
*******.com United States**,***
************.org United States**,***
See full domain list

FAQ

CVE-2026-66637 is Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Featured Video Plus
A total of 6,055 websites have been identified as vulnerable to CVE-2026-66637, based on global website indexing conducted by WebTechSurvey.
The Featured Video Plus is affected by the CVE-2026-66637 vulnerability.
Featured Video Plus versions up to and including 2.3.3 are vulnerable to CVE-2026-66637.