Description
The Simple Membership WordPress plugin before 4.7.5 does not verify the authenticity of Stripe webhook requests when no signing secret is configured, nor escape a value taken from them before outputting it in an administrator notice, allowing unauthenticated attackers to inject arbitrary web scripts that execute in the context of a logged-in administrator.
Published: 2026-07-06
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 08 Jul 2026 10:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Tue, 07 Jul 2026 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Tue, 07 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-79

Mon, 06 Jul 2026 17:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-79

Mon, 06 Jul 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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


Mon, 06 Jul 2026 07:30:00 +0000

Type Values Removed Values Added
Description The Simple Membership WordPress plugin before 4.7.5 does not verify the authenticity of Stripe webhook requests when no signing secret is configured, nor escape a value taken from them before outputting it in an administrator notice, allowing unauthenticated attackers to inject arbitrary web scripts that execute in the context of a logged-in administrator.
Title Simple Membership < 4.7.5 - Unauthenticated Stored XSS via Stripe Webhook API Version
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-07-06T12:01:41.739Z

Reserved: 2026-06-10T08:56:17.436Z

Link: CVE-2026-11855

cve-icon Vulnrichment

Updated: 2026-07-06T12:01:37.973Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-08T17:00:05Z

Weaknesses

No weakness.