Threat intelligence

Simple Membership <= 4.7.7 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-15931 · simple-membership

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Simple Membership at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Simple Membership <= 4.7.7 - Unauthenticated Stored Cross-Site Scripting
Affected software: simple-membership(Plugin)
Affected versions: ≤ 4.7.7
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-15931
Published: 24 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory ce4872f8-f589-4ae9-a5c5-4bb66043bfeb). Methodology and redistribution notes

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