Typo3 Extension "Mail" vulnerabilities
6 vulnerabilities
Known vulnerabilities in Typo3 Extension "Mail", newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
RoutineCVE-2026-120327typo3 · extension "mail"Open Redirection in extension "Mail" (mail)The click tracking middleware accepts an arbitrary target URL and redirects to it. Attackers can misuse links to the website to redirect users to external sites.CVSS5.3MediumEPSS0.44%RoutineCVE-2026-120328typo3 · extension "mail"Information Disclosure in extension "Mail" (mail)The click tracking middleware does not validate the authentication code of a recipient if the code is omitted. Unauthenticated attackers can retrieve personal data of newsletter recipients, which is inserted into links of sent mails.CVSS6.9MediumEPSS0.56%RoutineCVE-2026-120329typo3 · extension "mail"Broken Access Control in extension "Mail" (mail)Saving the configuration of the mail backend module writes submitted settings to the page TSconfig without restricting them to the configuration options of the module. Backend users with access to the mail module can write arbitrary page TSconfig.CVSS5.3MediumEPSS0.40%RoutineCVE-2026-120330typo3 · extension "mail"Broken Access Control in extension "Mail" (mail)Backend actions and ajax routes of the mail module do not check whether the backend user has access to the page of the requested mail or recipient group. Backend users with access to the mail module can view, change, send and export mails and recipient groups outside their web mounts, including the personal data of recipients.CVSS7.1HighEPSS0.38%RoutineCVE-2026-120331typo3 · extension "mail"Server-Side Request Forgery in extension "Mail" (mail)Content of external URL mails, their stylesheets and images to embed is fetched by the server without validating the target host. Backend users with access to the mail module can make the server send requests to hosts in the internal network.CVSS5.3MediumEPSS0.35%RoutineCVE-2026-120332typo3 · extension "mail"Cross-Site Scripting in extension "Mail" (mail)The HTML content of mails and tracked URLs are rendered unescaped in the backend module. Backend users with access to the mail module can inject arbitrary HTML and JavaScript, which is executed in the context of other backend users viewing the mail preview or report.CVSS5.1MediumEPSS0.40%