Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content <= 4.17.4 - Authenticated (Subscriber+) Sensitive Information Exposure via Shortcode Injection via Nickname and Biographical Info Profile Fields

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-92536
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-03 04:18:01 UTC
Updated2026-10-03 16:16:42 UTC
DescriptionThe Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.17.4 via the get_user_profile_structure. This makes it possible for authenticated attackers, with subscriber-level access and above, to extract other users' email addresses, login names, and registration dates via the Member Directory's per-row user rebinding when attacker-controlled base64 payloads in the [pp-custom-html] shortcode invoke [profile-email], [profile-username], and [profile-date-registered]. When the WordPress users_can_register option is enabled, unauthenticated attackers can also exploit this vulnerability by supplying the split shortcode fragments through the plugin's own registration handler, which processes the reg_nickname and reg_bio fields without a nonce requirement.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-94 | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Properfraction Paid Membership Plugin Ecommerce User Registration Form Login Form User Profile Restrict Content ProfilePress affected 4.17.4 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.4/src/Classes/RegistrationAu... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.4/src/Themes/DragDrop/Member... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.4/src/Themes/DragDrop/Profil... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.4/src/ShortcodeParser/Builde... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.4/src/Classes/EditUserProfil... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/1340aeb3-12a0-4965-95db-45d75... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.4/src/ShortcodeParser/Member... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.4/src/Functions/GlobalFuncti... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.4/src/ShortcodeParser/Fronte... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jakub Herman (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-09-16T13:19:42.000ZVendor Notified
CNA2026-10-02T14:31:10.000ZDisclosed

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