CVE-2026-59539

WordPress Paid Member Subscriptions plugin <= 3.0.7 - Insecure Direct Object References (IDOR) vulnerability

Subscriber Insecure Direct Object References (IDOR) in Paid Member Subscriptions <= 3.0.7 versions.

We have discovered 2,997 live websites that are affected by CVE-2026-59539.

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Affected Software

Product  Paid Member Subscriptions
Category Wordpress Plugins
Vulnerable Domains2,997 live websites (100% of Paid Member Subscriptions install base)
Vulnerable Versions
  • from 0 through 3.0.7
Vulnerable Versions Count163 versions ( 100% of all versions)


Common Weakness Enumeration

CWE-639 Authorization Bypass Through User-Controlled Key



Details

  • Published - Jul 27, 2026
  • Updated - Jul 27, 2026

Credits

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

Website Distribution by Country

Number of websites using CVE-2026-59539
United States1,118 websites


Germany253 websites
GB234 websites
France189 websites
Italy125 websites
Canada94 websites
Brazil80 websites
Cyprus62 websites
Spain59 websites
Australia56 websites

Website Distribution by TLD

Number of websites using CVE-2026-59539
.com1,347 websites
.org335 websites
.co.uk112 websites
.it91 websites
.de84 websites
.net74 websites
.fr73 websites
.com.br69 websites
.ca57 websites
.com.au35 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-59539

Top websites that are affected by CVE-2026-59539. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
******.com Canada**,***
**.***.br United States***,***
**********.ch Switzerland***,***
***************.com Germany***,***
************.**.uk United States***,***
************.org United States***,***
***************.com Spain***,***
*************.**.uk GB***,***
*****.it Italy***,***
************.org United States***,***
See full domain list

FAQ

CVE-2026-59539 is Authorization Bypass Through User-Controlled Key in Paid Member Subscriptions
A total of 2,997 websites have been identified as vulnerable to CVE-2026-59539, based on global website indexing conducted by WebTechSurvey.
The Paid Member Subscriptions is affected by the CVE-2026-59539 vulnerability.
Paid Member Subscriptions versions up to and including 3.0.7 are vulnerable to CVE-2026-59539.