CVE-2026-110029 Squeeze CVE debrief

Who should care

WordPress administrators and security teams responsible for maintaining WordPress installations with the Squeeze plugin should assess their exposure and ensure they are using version 1.8.1 or later. They should also review compensating controls and monitor for potential exploitation.

Why it matters

The Squeeze WordPress plugin vulnerability allows low-privileged users to manipulate attachments and delete backups, potentially leading to data loss and unintended changes.

• Authenticated users with low privileges can manipulate attachments and delete backups
• Permanent deletion of backups and WebP derivatives can lead to data loss
• Reverting attachments to their backup copies can cause unintended changes

Technical summary

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. This vulnerability can lead to data loss and unintended changes. The plugin's functionality allows low-privileged users to manipulate attachments and delete backups, potentially causing unintended changes.

Defensive priority

Assess exposure of WordPress installations with the Squeeze plugin and verify version 1.8.1 or later is used.

Recommended defensive actions

• Assess exposure of WordPress installations with the Squeeze plugin
• Verify version 1.8.1 or later is used
• Restrict access to sensitive AJAX actions
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in the Squeeze WordPress plugin. The plugin's lack of capability checks on AJAX actions allows low-privileged users to manipulate attachments and delete backups. Evidence is limited to public CVE and NVD records, and defenders should verify the vulnerability's scope and impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.