CVE-2023-49967: Typecho

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Typecho v1.2.1 was discovered to be vulnerable to an XML Quadratic Blowup attack via the component /index.php/action/xmlrpc.

Affected products

• Typecho Typecho: version 1.2.1 only

Published 2023-12-07. Last modified 2026-06-17.