The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an unauthenticated payment approval request, nor escape it when displaying it in the administration dashboard, allowing unauthenticated attackers to store arbitrary JavaScript that executes in an administrator's session.
Advisories

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Fixes

Solution

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Workaround

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History

Mon, 03 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 03 Aug 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Simple-membership-plugin
Simple-membership-plugin simple Membership
Wordpress
Wordpress wordpress
Vendors & Products Simple-membership-plugin
Simple-membership-plugin simple Membership
Wordpress
Wordpress wordpress

Mon, 03 Aug 2026 09:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Mon, 03 Aug 2026 06:45:00 +0000

Type Values Removed Values Added
Description The Simple Membership WordPress plugin before 4.7.8 does not sanitise a subscriber name value received from an unauthenticated payment approval request, nor escape it when displaying it in the administration dashboard, allowing unauthenticated attackers to store arbitrary JavaScript that executes in an administrator's session.
Title Simple Membership < 4.7.8 - Unauthenticated Stored XSS via PayPal Subscription Subscriber Name
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-03T17:06:38.008Z

Reserved: 2026-07-16T07:28:24.341Z

Link: CVE-2026-15931

cve-icon Vulnrichment

Updated: 2026-08-03T17:06:33.072Z

cve-icon NVD

Status : Received

Published: 2026-08-03T07:16:40.420

Modified: 2026-08-03T18:16:36.377

Link: CVE-2026-15931

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-04T21:30:12Z

Weaknesses