The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Multiple SQL injection vulnerabilities in Net Portal Dynamic System (NPDS) 5.0 allow remote attackers to execute arbitrary SQL commands via the (1) terme parameter in the glossaire module (glossaire.php) or (2) query parameter to links.php.

Multiple cross-site scripting (XSS) vulnerabilities in Net Portal Dynamic System (NPDS) 5.0 allow remote attackers to inject arbitrary web script or HTML via the language parameter to (1) admin.php, or (2) powerpack_f.php, (3) the sitename parameter to sdv_infos.php, (4) the categories parameter to faq.php, (5) the lettre parameter to the glossaire module, (6) the title parameter to reviews.php, or (7) the image_subject parameter to reply.php.