Vulnerability · Published Oct 15, 2026 · Assigned by Patchstack

CVE-2026-109686WordPress Link Whisper Free plugin <= 0.9.7 - PHP Object Injection vulnerability

Critical 9.8

In plain English

A critical-severity unsafe deserialization in Link Whisper Free from Link Whisper INC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.3%top 76.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Deserialization of Untrusted Data vulnerability in Link Whisper INC Link Whisper Free link-whisper allows Object Injection.This issue affects Link Whisper Free: from n/a through 0.9.7.

Affected products (as reported)

VendorProductVersions
Link Whisper INC Link Whisper Free 0 – through 0.9.7

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References