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Crop Thumbnails - Security Vulnerability (CVE-2026-110041)

CVE-2026-110041

The Crop Thumbnails WordPress plugin before 1.10.0 does not perform object-level authorization when reading and re-cropping media attachments, allowing any authenticated user with the upload capability (the Author role by default) to read the metadata of, and overwrite the generated thumbnail files and stored metadata of, media attachments belonging to other users.

CVE-2026-110041

LOW CVSS 3.8 Published 2026-11-12 Updated 2026-11-12
AI Risk Low (32/100) 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:L/A:N
Affected Components 1
Reference Links 1
AI Risk Engine Low (32/100)
Exploitability Low
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-11-12 CVE published and first recorded in the threat feed.
  2. 2026-11-12 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 03:31 UTC)

Technical Summary

The Crop Thumbnails WordPress plugin before 1.10.0 does not perform object-level authorization when reading and re-cropping media attachments, allowing any authenticated user with the upload capability (the Author role by default) to read the metadata of, and overwrite the generated thumbnail files and stored metadata of, media attachments belonging to other users.

Potential Impact

Severity is LOW (CVSS 3.8). 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 32/100 (Low, Low) with priority P5 Monitor. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Crop Thumbnails PLUGIN · crop-thumbnails Affected: < 1.10.0 Fixed in: 1.10.0

References

What to do about this

Patch on your next cycle Worth fixing, but not ahead of other work.

Fix it

Update Crop Thumbnails to 1.10.0 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 Crop Thumbnails, 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 Crop Thumbnails. Versions below 1.10.0 are vulnerable; that release and later are not. An attacker needs any registered account, so open registration materially increases the risk.

How do I fix it?

Update Crop Thumbnails to version 1.10.0 or later. That is the complete fix.