CVE-2023-4971: Weavertheme Weaver Xtreme Theme Support

High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days.

The Weaver Xtreme Theme Support WordPress plugin before 6.3.1 unserialises the content of an imported file, which could lead to PHP object injections issues when a high privilege user import a malicious file and a suitable gadget chain is present on the blog.

Affected products

• Weavertheme Weaver Xtreme Theme Support: before 6.3.1 (fixed in 6.3.1)

Published 2023-10-16. Last modified 2026-06-17.