CVE-2026-39644

WordPress Wp Ultimate Review plugin <= 2.3.8 - Broken Access Control vulnerability

Missing Authorization vulnerability in Roxnor Wp Ultimate Review wp-ultimate-review allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wp Ultimate Review: from n/a through <= 2.3.8.

We have discovered 3,883 live websites that are affected by CVE-2026-39644.

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Affected Software

Product  Wp Ultimate Review
Category Wordpress Plugins
Vulnerable Domains3,883 live websites (98% of Wp Ultimate Review install base)
Vulnerable Versions
  • from 0 through 2.3.8
Vulnerable Versions Count15 versions ( 94% of all versions)



Details

  • Published - Apr 8, 2026
  • Updated - Apr 9, 2026

Credits

  • hhhai | Patchstack Bug Bounty Program (finder)

Website Distribution by Country

Number of websites using CVE-2026-39644
United States1,161 websites


India336 websites
Germany292 websites
Cyprus225 websites
GB198 websites
Brazil176 websites
France176 websites
Italy110 websites
Canada85 websites
Netherlands77 websites

Website Distribution by TLD

Number of websites using CVE-2026-39644
.com2,019 websites
.org182 websites
.com.br162 websites
.de92 websites
.net86 websites
.co.uk83 websites
.it81 websites
.nl79 websites
.fr57 websites
.com.au51 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-39644

Top websites that are affected by CVE-2026-39644. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
********.com Canada***,***
************.com United States***,***
********.org United States***,***
********.rentals United States***,***
**************.com United States***,***
*******.******.***.br Brazil***,***
****************.it Italy***,***
*********.com United States***,***
**********.**.uk GB***,***
************.com United States***,***
See full domain list

FAQ

A total of 3,883 websites have been identified as vulnerable to CVE-2026-39644, based on global website indexing conducted by WebTechSurvey.
The Wp Ultimate Review is affected by the CVE-2026-39644 vulnerability.
Wp Ultimate Review versions up to and including 2.3.8 are vulnerable to CVE-2026-39644.