CVE-2023-5917

Name of the Vulnerable Software and Affected Versions phpBB versions up to 3.3.10

Description A problematic issue has been found in phpBB, affecting the function main of the file phpBB/includes/acp/acp icons.php of the component Smiley Pack Handler. The manipulation of the argument pak leads to cross-site scripting. The attack may be initiated remotely. Upgrading to version 3.3.11 is able to address this issue.

Recommendations For phpBB versions up to 3.3.10, upgrade to version 3.3.11 to address the issue. As a temporary workaround, consider restricting access to the vulnerable component Smiley Pack Handler until the upgrade is applied. Avoid using the argument pak in the affected function main until the issue is resolved.