WordPress security changelog
CRITICAL CVE-2026-109688 Deferred

Link Whisper Free: SQL injection

Link Whisper Free permits blind SQL injection. The CNA vector specifies an unauthenticated attacker without victim interaction. Attacker-controlled input can change database-query behavior and expose information indirectly, with high confidentiality impact and some availability impact. The export does not identify the endpoint, parameter, query or observable extraction mechanism, and does not establish database modification. Published affected versions: <= 0.9.7.

CVE / CNA score 9.3 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Link Whisper Free
Plugin slug
link-whisper
Affected
<= 0.9.7
Safe version
0.9.8
Published
Oct 15, 2026
Weakness
CWE-89 — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

This CVE was published Oct 15, 2026 and is one of 15 known issues for this plugin.

Update, patch or deactivate.

Update Link Whisper Free to 0.9.8 or later in the applicable release line. The completed authoritative record identifies this fixed release. Restrict the affected public functionality until updated. Use parameterized queries and assess possible disclosure of database contents.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Link Whisper INC Link Whisper Free link-whisper allows Blind SQL Injection.This issue affects Link Whisper Free: from n/a through 0.9.7.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Primary and upstream sources