CVE-2026-18391 - WooCommerce Subscriptions < 9.1.0 - Unauthenticated RCE via PHP Object Injection

CVE-2026-18391 - WooCommerce Subscriptions < 9.1.0 - Unauthenticated RCE via PHP Object Injection

https://cvefeed.io/rssfeed/latest.atom / Wed, 08/12/2026 - 10:25
CVE ID :CVE-2026-18391
Published : Aug. 12, 2026, 6:20 a.m. | 1 hour, 8 minutes ago
Description :The WooCommerce Subscriptions WordPress plugin before 9.1.0 does not validate user input before unserializing it on stores with High-Performance Order Storage enabled, leading to a PHP Object Injection issue which unauthenticated users can escalate to Remote Code Execution via a gadget chain present in the bundled dependencies.
Severity: 0.0 | NA
Visit the link for more details, such as CVSS details, affected products, timeline, and more...

About

Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.