Unknown · Holiday Calendar · CVE-2015-9270
**Name of the Vulnerable Software and Affected Versions**
The Holiday Calendar plugin versions prior to 1.11.3
**Description**
A security issue exists due to the presence of XSS in the plugin, which can be exploited via the `thc-month` parameter.
**Recommendations**
For versions prior to 1.11.3, update to version 1.11.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the vulnerable parameter `thc-month` to minimize the risk of exploitation.