CVE-2026-12688

ProfileGrid < 5.9.9.7 - Unauthenticated Payment Bypass and Forced Group Membership via PayPal IPN Forgery

The ProfileGrid WordPress plugin before 5.9.9.7 does not verify PayPal IPN notifications before granting paid group membership, allowing unauthenticated attackers to forge a payment notification and mark any user as a paid member of any group without any payment being made.

We have discovered 1,077 live websites that are affected by CVE-2026-12688.

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Affected Software

Product  Profilegrid User Profiles Groups And Communities
Category Wordpress Plugins
Vulnerable Domains1,077 live websites (98% of Profilegrid User Profiles Groups And Communities install base)
Vulnerable Versions
  • from 0 through 5.9.9.7
Vulnerable Versions Count107 versions ( 99% of all versions)


Common Weakness Enumeration

CWE-284 Improper Access Control



Details

  • Published - Jul 24, 2026
  • Updated - Jul 24, 2026

Credits

  • Revanth Hari Narayana Matte (finder)
  • WPScan (coordinator)

Website Distribution by Country

Number of websites using CVE-2026-12688
United States352 websites


Germany104 websites
France60 websites
GB50 websites
Italy49 websites
Netherlands34 websites
Brazil28 websites
Cyprus26 websites
Spain24 websites
Japan24 websites

Website Distribution by TLD

Number of websites using CVE-2026-12688
.com405 websites
.org142 websites
.de54 websites
.it37 websites
.nl33 websites
.net33 websites
.fr26 websites
.com.br23 websites
.ca15 websites
.eu12 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-12688

Top websites that are affected by CVE-2026-12688. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*********.com United States***,***
*****************.com United States***,***
***********.com United States***,***
*******************.org United States***,***
***************.org United States***,***
***************.com United States***,***
***********.net Netherlands***,***
*********.org United States***,***
***********.org United States***,***
****.org United States***,***
See full domain list

FAQ

CVE-2026-12688 is Improper Access Control in Profilegrid User Profiles Groups And Communities
A total of 1,077 websites have been identified as vulnerable to CVE-2026-12688, based on global website indexing conducted by WebTechSurvey.
The Profilegrid User Profiles Groups And Communities is affected by the CVE-2026-12688 vulnerability.
Profilegrid User Profiles Groups And Communities versions up to 5.9.9.7 are vulnerable to CVE-2026-12688.
CVE-2026-12688 is resolved in version 5.9.9.7 of Profilegrid User Profiles Groups And Communities.