Vulnerability details

CVE-2026-109686

Link Whisper Free

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

CVSS 3.1

9.8Critical

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.

CVSS scores

Score	Version	Source	Vector
9.8Critical	3.1	CVEProject cvelistV5 (CNA) (Patchstack)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
Link Whisper INC	Link Whisper Free	v ≤ 0.9.7	CVEProject cvelistV5 (CNA)

References and advisories

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

Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published: 2026-10-15
Last updated: 2026-10-15
State: Published
Assigner (CNA): Patchstack
Kolun priority: 21 · Low

Exploit prediction (EPSS)

0.3%

Probability of exploitation in 30 days

23.3%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-502
Deserialization of Untrusted Data