CVE-2018-18753: Typecho

Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days.

Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data, as demonstrated by SSRF.

Affected products

• Typecho Typecho: version 1.1 only

Published 2018-10-29. Last modified 2026-06-17.