It was discovered that Smarty incorrectly handled query parameters in requests. An attacker could possibly use this issue to inject arbitrary Javascript code, resulting in denial of service or potential execution of arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2018-25047, CVE-2023-28447)
It was discovered that Smarty did not properly sanitize user input when generating templates. An attacker could, through PHP injection, possibly use this issue to execute arbitrary code. (CVE-2024-35226)