CVE•Published 2026-07-13•Modified 2026-07-13•1 article on news•5 live references•NVD data
CVE-2026-11964
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
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Description
The User Registration & Membership WordPress plugin before 5.2.2 does not verify the authenticity of incoming payment-provider webhook notifications before acting on them, allowing unauthenticated attackers to forge a payment-approved event and activate a paid membership subscription without completing a real payment.
Timeline
Published 2026-07-13
Modified 2026-07-13
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-11964Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-11964Censys host search filtered to this CVE id.
grep.app
CVE-2026-11964Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-11964GitHub code search for direct mentions.
Google dork
"CVE-2026-11964" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.