CVE-2026-109686criticalCWE-502

CVE-2026-109686: critical vulnerability in Link Whisper Free

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

Published

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 0.3%
exploitation probability
0.3%top 77% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Link Whisper INC · Link Whisper Free
Related CVEs — Link Whisper Free

In the same product, most dangerous first.

CVE-2026-109688CRITICALWordPress Link Whisper Free plugin <= 0.9.7 - SQL Injection vulnerabilityEPSS 0.2%CVE-2026-109687HIGHWordPress Link Whisper Free plugin <= 0.9.7 - SQL Injection vulnerabilityEPSS 0.2%CVE-2026-109685HIGHWordPress Link Whisper Free plugin <= 0.9.7 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.1%
References
https://patchstack.com/database/wordpress/plugin/link-whisper/vulnerability/wordpress-link-whisper-free-plugin-0-9-7-php-object-injection-vulnerability?_s_id=cve