High severity · published Oct 10, 2026
CVE-2026-106606
WordPress YITH WooCommerce Affiliates plugin <= 3.31.0 - PHP Object Injection vulnerability
7.2
CVSS
0.4%
EPSS
No
On KEV
Description
Deserialization of Untrusted Data vulnerability in YITH YITH WooCommerce Affiliates yith-woocommerce-affiliates allows Object Injection.This issue affects YITH WooCommerce Affiliates: from n/a through 3.31.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YW
YITH WooCommerce Affiliates · YITH
through 3.31.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-106606
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-106606
vdb-entry
https://patchstack.com/database/wordpress/plugin/yith-woocommerce-affiliates/vulnerability/wordpress-yith-woocommerce-affiliates-plugin-3-31-0-php-object-injection-vulnerability?_s_id=cve