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WP Ultimate CSV Importer - Security Vulnerability (CVE-2026-125912)

CVE-2026-125912

The WP Ultimate CSV Importer WordPress plugin before 9.2 does not restrict the destination filename and extension, nor validate the fetched content type, when importing remote media, allowing an Administrator of a Multisite subsite to write and execute arbitrary PHP in the shared WordPress context despite not being a Network Administrator and being unable to install WP Ultimate CSV Importer WordPress plugin before 9.2 or edit files.

CVE-2026-125912

UNKNOWN CVSS 0.0 Published 2026-11-13 Updated 2026-11-13
AI Risk Low (5/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P5 Monitor
Severity Band UNKNOWN
CVSS Vector Unspecified
Affected Components 1
Reference Links 1
AI Risk Engine Low (5/100)
Exploitability Low
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-11-13 CVE published and first recorded in the threat feed.
  2. 2026-11-13 Record updated with latest vulnerability metadata.
  3. 2026-11-14 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated just now

AI enriched just now (2026-11-14 03:39 UTC)

Technical Summary

The WP Ultimate CSV Importer WordPress plugin before 9.2 does not restrict the destination filename and extension, nor validate the fetched content type, when importing remote media, allowing an Administrator of a Multisite subsite to write and execute arbitrary PHP in the shared WordPress context despite not being a Network Administrator and being unable to install WP Ultimate CSV Importer WordPress plugin before 9.2 or edit files.

Potential Impact

Severity is UNKNOWN (CVSS 0.0). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as Low based on severity and technical exposure profile.

Primary risk drivers: severity and technical exposure profile

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 5/100 (Low, Low) with priority P5 Monitor. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

References

What to do about this

Low priority Contained impact, or it needs privileges an attacker would rarely already hold.

Fix it

Update WP Ultimate CSV Importer to 9.2 or later.

That is the complete fix. Everything below is what protects you in the meantime.

No Hack Halt control meaningfully contains this one — updating is the remedy. We would rather say so than sell you something that will not help.

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Not sure if you are affected?

Scan your site to see whether it runs WP Ultimate CSV Importer, and at which version.

Free, no installation, no account. It reads what your site already publishes, then tells you which plugins carry known vulnerabilities and what to do about each one.

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Am I affected by this vulnerability?

You are affected if your site runs WP Ultimate CSV Importer. Versions below 9.2 are vulnerable; that release and later are not.

How do I fix it?

Update WP Ultimate CSV Importer to version 9.2 or later. That is the complete fix.