Unauthorized bulk user imports via missing nonce
Published Feb 3, 2026 · Updated Feb 3, 2026
CSRF in wp.insider Simple Membership WP user Import 1.9.1 and earlier allows remote attackers to trigger the import-all-users action. The import-all-users handler accepts an authenticated administrator's request without verifying a WordPress nonce. Exploitation requires the administrator to visit a crafted page or follow a malicious link, causing an unauthorized bulk import of WordPress users into membership records.
Summary
What happened
CSRF in wp.insider Simple Membership WP user Import 1.9.1 and earlier allows remote attackers to trigger the import-all-users action. The import-all-users handler accepts an authenticated administrator's request without verifying a WordPress nonce. Exploitation requires the administrator to visit a crafted page or follow a malicious link, causing an unauthorized bulk import of WordPress users into membership records.
The record
- CVE
- CVE-2026-24986
- Published
- Feb 3, 2026
- Updated
- Feb 3, 2026
- Vendor
- WP Affiliate Manager
- Product
- Simple Membership WP user Import
- Classifications
- CWE-352, T1204.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 3, 2026CVE publishedPublication date reported by the CVE source.
- Feb 3, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=n/a <=<= 1.9.1 changes=[{"at":"1.9.2","status":"unaffected"}]
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Public exploit references
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Technologies
Your stack
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Your stack
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