Microsoft · Internet Explorer · CVE-2009-4804
**Name of the Vulnerable Software and Affected Versions**
TYPO3 Calendar Base (cal) extension version prior to 1.1.1
**Description**
A cross-site scripting issue exists, allowing remote attackers to inject arbitrary web script or HTML via search parameters when using Internet Explorer 6.
**Recommendations**
For versions prior to 1.1.1, update to version 1.1.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the search functionality until the update is applied.