CVE-2026-89213 Llavero.io CVE debrief

Who should care

Defenders responsible for WordPress installations that use the Llavero.io plugin should assess their exposure and prioritize verifying the presence of this plugin and ensuring that it is updated to a version that addresses this vulnerability.

Why it matters

This vulnerability allows unauthenticated attackers to read data from the database by exploiting a parameter that is not properly sanitized and escaped before being used in a SQL statement. Defenders responsible for WordPress installations that use the Llavero.io plugin should assess their exposure and prioritize verifying the presence of this plugin and ensuring that it is updated to a version that addresses this vulnerability.

• Defenders need to verify the presence of this plugin in their WordPress installations and ensure that it is updated to a version that addresses this vulnerability
• SQL injection attacks could allow unauthenticated attackers to read data from the database

Technical summary

The Llavero.io WordPress plugin through 0.1.4 does not properly sanitize and escape a parameter before using it in a SQL statement, allowing unauthenticated attackers to perform SQL injection attacks and read data from the database. The plugin's failure to validate and sanitize user input creates a vulnerability that can be exploited by attackers to inject malicious SQL code and access sensitive data.

Defensive priority

Defenders should prioritize verifying the presence of this plugin in their WordPress installations and ensuring that the plugin is updated to a version that addresses this vulnerability.

Recommended defensive actions

• Verify the presence of the Llavero.io WordPress plugin in your WordPress installations
• Check if the plugin is updated to a version that addresses this vulnerability
• Consider implementing additional security measures to detect and prevent SQL injection attacks

Evidence notes

The CVE record and NVD entry provide limited information about this vulnerability. The vendor and product names are not specified, and there is no information about the number of affected versions or the availability of a patch.

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.