CVE-2026-109686

CRITICAL 9.8

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

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502
Vendor	link whisper inc
Product	link whisper free
Published	Oct 15, 2026
Last Updated	Oct 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Link Whisper INC / Link Whisper Free

0 ≤ 0.9.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/link-whisper/vulnerability/wordpress-link-whisper-free-plugin-0-9-7-php-object-injection-vulnerability?_s_id=cve

Credits

Tarcísio Luchesi(Poystick) | Patchstack Bug Bounty Program