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Squeeze plugin missing authorization lets Subscribers alter attachments

Priority LOW 24CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

The Squeeze WordPress plugin before 1.8.1 does not perform a capability check on one of its AJAX actions. An authenticated user with a Subscriber role or higher can revert any attachment to its backup copy and permanently delete that backup and the plugin's generated WebP derivatives, regardless of ownership. The flaw is classified as Missing Authorization (CWE-862). Public exploit code is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

The Squeeze WordPress plugin before 1.8.1 does not perform a capability check on one of its AJAX actions, allowing authenticated users with a role as low as Subscriber to revert any attachment to its backup copy and to permanently delete that backup and the plugin's generated WebP derivatives, regardless of ownership.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00229 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Squeeze (Unknown): 1.8.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownSqueezebefore 1.8.11.8.1Patch availableCNA
  • Squeeze VendorUnknown Affected before 1.8.1 Fixed in 1.8.1 Patch available CNA

Remediation

Update Squeeze to version 1.8.1 or later, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Squeeze (Unknown) Fixed in 1.8.1

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-110029
  2. 2026-10-16 Alias added: GHSA-486q-7jvh-4x7q

References

Sources