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Smart Post - Security Vulnerability (CVE-2026-78150)

CVE-2026-78150

The Smart Post WordPress plugin before 4.0.8 does not check the type, ownership or status of the post it is asked to duplicate, allowing users with contributor privileges and above to copy any private or password protected post into a draft of their own and read its content and metadata.

CVE-2026-78150

LOW CVSS 2.7 Published 2026-09-05 Updated 2026-09-08
AI Risk Low (24/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P5 Monitor
Severity Band LOW
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Affected Components 1
Reference Links 1
AI Risk Engine Low (24/100)
Exploitability Low
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-09-05 CVE published and first recorded in the threat feed.
  2. 2026-09-08 Record updated with latest vulnerability metadata.
  3. 2026-09-09 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 (2026-09-09 21:09 UTC)

Technical Summary

The Smart Post WordPress plugin before 4.0.8 does not check the type, ownership or status of the post it is asked to duplicate, allowing users with contributor privileges and above to copy any private or password protected post into a draft of their own and read its content and metadata.

Potential Impact

Severity is LOW (CVSS 2.7). 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 24/100 (Low, Low) with priority P5 Monitor. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Smart Post PLUGIN · smart-post Affected: < 4.0.8 Fixed in: 4.0.8

References

What to do about this

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

Fix it

Update Smart Post to 4.0.8 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 Smart Post, 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 Smart Post. Versions below 4.0.8 are vulnerable; that release and later are not.

How do I fix it?

Update Smart Post to version 4.0.8 or later. That is the complete fix.