CVE-2026-66638

WordPress Frontend Admin by DynamiApps plugin <= 3.29.10 - Cross Site Scripting (XSS) vulnerability

Contributor Cross Site Scripting (XSS) in Frontend Admin by DynamiApps <= 3.29.10 versions.

We have discovered 1,454 live websites that are affected by CVE-2026-66638.

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Affected Software

Product  Acf Frontend Form Element
Category Wordpress Plugins
Vulnerable Domains1,454 live websites (100% of Acf Frontend Form Element install base)
Vulnerable Versions
  • from 0 through 3.29.10
Vulnerable Versions Count68 versions ( 96% 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-2026-66638
United States408 websites


Germany151 websites
France115 websites
GB71 websites
Spain59 websites
Japan57 websites
Italy48 websites
Brazil42 websites
Switzerland39 websites
Canada38 websites

Website Distribution by TLD

Number of websites using CVE-2026-66638
.com489 websites
.org143 websites
.de72 websites
.fr62 websites
.net40 websites
.co.uk37 websites
.ch35 websites
.com.br35 websites
.it32 websites
.nl31 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-66638

Top websites that are affected by CVE-2026-66638. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*************.jp Japan**,***
*************.cu Cuba**,***
*************.**.jp Japan***,***
********.org United States***,***
********.**.jp Japan***,***
**************.org United States***,***
**********.jp Japan***,***
*******.**.jp Japan***,***
*********.**.jp Japan***,***
**************.org United States***,***
See full domain list

FAQ

CVE-2026-66638 is Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Acf Frontend Form Element
A total of 1,454 websites have been identified as vulnerable to CVE-2026-66638, based on global website indexing conducted by WebTechSurvey.
The Acf Frontend Form Element is affected by the CVE-2026-66638 vulnerability.
Acf Frontend Form Element versions up to and including 3.29.10 are vulnerable to CVE-2026-66638.