CVE-2026-28173

WordPress WP Event SOlution plugin <= 4.1.19 - Arbitrary Content Deletion vulnerability

Customer Arbitrary Content Deletion in WP Event SOlution <= 4.1.19 versions.

We have discovered 2,411 live websites that are affected by CVE-2026-28173.

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Affected Software

Product  Wp Event Solution
Category Wordpress Plugins
Vulnerable Domains2,411 live websites (100% of Wp Event Solution install base)
Vulnerable Versions
  • from 0 through 4.1.19
Vulnerable Versions Count120 versions ( 100% of all versions)


Common Weakness Enumeration

CWE-862 Missing Authorization



Details

  • Published - Aug 13, 2026
  • Updated - Aug 13, 2026

Credits

  • VanTastic | Patchstack Bug Bounty Program (finder)

Website Distribution by Country

Number of websites using CVE-2026-28173
United States814 websites


Germany179 websites
Switzerland155 websites
GB118 websites
France112 websites
Canada95 websites
Netherlands94 websites
Italy62 websites
India61 websites
Cyprus54 websites

Website Distribution by TLD

Number of websites using CVE-2026-28173
.com765 websites
.org476 websites
.ch146 websites
.de82 websites
.nl69 websites
.ca56 websites
.it47 websites
.co.uk40 websites
.com.br38 websites
.net37 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-28173

Top websites that are affected by CVE-2026-28173. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*******.com Thailand***,***
**********.org United States***,***
****.pe Peru***,***
***********.org Germany***,***
******.org United States***,***
******.com Indonesia***,***
**********************.org United States***,***
******.**.id Indonesia***,***
****.de United States***,***
****.es United States***,***
See full domain list

FAQ

CVE-2026-28173 is Missing Authorization in Wp Event Solution
A total of 2,411 websites have been identified as vulnerable to CVE-2026-28173, based on global website indexing conducted by WebTechSurvey.
The Wp Event Solution is affected by the CVE-2026-28173 vulnerability.
Wp Event Solution versions up to and including 4.1.19 are vulnerable to CVE-2026-28173.