CVE-2010-0349: C-3.co.jp WEBCALENDERC3

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in C3 Corp. WebCalenderC3 0.32 and earlier allows remote attackers to inject arbitrary web script or HTML via unknown vectors. NOTE: this issue could not be reproduced by the vendor, but a patch was provided anyway. The original researcher is reliable.

Affected products

• C-3.co.jp WEBCALENDERC3: up to and including 0.32; version 0.31 only

Published 2010-01-15. Last modified 2026-06-16.