CVE-2026-107158 LTL Freight Quotes CVE debrief

Who should care

Defenders responsible for WordPress installations with the LTL Freight Quotes plugin should assess exposure and prioritize verification and remediation. This includes reviewing the plugin configuration and permissions, monitoring for unauthorized changes to plugin settings, and verifying the version of the LTL Freight Quotes plugin and ensuring it is updated to 4.2.19 or later. Additionally, defenders should review compensating controls for exposed systems

Why it matters

CVE-2026-107158 is a vulnerability in the LTL Freight Quotes WordPress plugin that allows unauthenticated users to modify plugin settings. Defenders should prioritize verification and remediation to prevent potential security risks.

• Verify plugin version and update to 4.2.19 or later
• Monitor for unauthorized changes to plugin settings
• Review plugin configuration and permissions

Technical summary

The LTL Freight Quotes WordPress plugin before version 4.2.19 does not perform authorization checks or validation on one of its REST routes that writes to the database, allowing unauthenticated users to modify some of the plugin's stored settings. This vulnerability could potentially allow attackers to make unauthorized changes to the plugin's settings, which could impact the security and integrity of the affected WordPress installations. The vulnerability is due to a lack of proper authorization and validation on one of the plugin's REST routes, which allows unauthenticated users to modify some of the plugin's stored settings.

Defensive priority

Defenders should prioritize verifying the version of the LTL Freight Quotes plugin and ensuring it is updated to 4.2.19 or later. They should also monitor for unauthorized changes to plugin settings.

Recommended defensive actions

• Verify the version of the LTL Freight Quotes plugin and update to 4.2.19 or later
• Monitor for unauthorized changes to plugin settings
• Review plugin configuration and permissions
• Perform a thorough review of the plugin's settings and configurations to identify any potential security risks
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

The CVE record and source item provide details about the vulnerability, but there is limited information about affected versions, exploitation, or remediation. The NVD entry is currently empty. Further verification is needed to determine the full scope of the vulnerability and to identify any potential mitigating factors. Defenders should review the plugin configuration and permissions, monitor for unauthorized changes to plugin settings, and verify the version of the LTL Freight Quotes plugin and ensure it is updated to 4.2.19 or l

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.