Cross-site Scripting (XSS)

phpbb/phpbb is vulnerable to Cross-site Scripting XSS. The vulnerability exists because the main function in acpicons.php does not adequately escape the smilies URL and does not prevent the use of a .pak filename, allowing an attacker to inject and execute malicious JavaScript...

phpBB's Smiley Pack acp_icons.php main pack vulnerable to cross site scripting

A vulnerability, which was classified as problematic, has been found in phpBB up to 3.3.10. This issue affects the function main of the file phpBB/includes/acp/acpicons.php of the component Smiley Pack Handler. The manipulation of the argument pack leads to cross site scripting. The attack may be...

phpBB: Authenticated path traversal to Stored XSS and Denial-of-Service

An authenticated path traversal vulnerability was discovered that could allow an attacker to cause a denial-of-service by reading files from restricted directories. This vulnerability also enabled an attacker to determine which files existed on the server. Additionally, a stored cross-site...