CVE-2026-109687 Link Whisper INC CVE debrief

Who should care

Defenders responsible for WordPress installations with the Link Whisper Free plugin should assess exposure and prioritize patching. They should also monitor for suspicious activity to detect potential exploitation attempts and implement compensating controls for exposed systems. Security teams should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Why it matters

CVE-2026-109687 is a SQL Injection vulnerability in the WordPress Link Whisper Free plugin, rated as HIGH with a CVSS score of 7.6. Defenders should prioritize verifying and patching affected systems.

• Verify and patch affected systems to prevent potential Blind SQL Injection attacks
• Monitor for suspicious activity to detect potential exploitation attempts

Technical summary

The WordPress Link Whisper Free plugin has a SQL Injection vulnerability, allowing for Blind SQL Injection. The vulnerability affects versions up to 0.9.7 and can be exploited to extract sensitive data from the database. The vulnerability is rated as HIGH with a CVSS score of 7.6. Defenders should prioritize verifying and patching affected systems, as the vulnerability allows for Blind SQL Injection.

Defensive priority

Defenders should prioritize verifying and patching affected systems, as the vulnerability allows for Blind SQL Injection.

Recommended defensive actions

• Verify and patch affected systems
• Monitor for suspicious activity
• Implement compensating controls

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or affected systems. The vulnerability affects WordPress installations with the Link Whisper Free plugin. Defenders should verify and patch affected systems, and monitor for suspicious activity to detect potential exploitation attempts. The source item provides details on the vulnerability, but the scope of affected systems is not explicitly stated.

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.