CVE-2026-13163

Open redirect vulnerability CWE-601 in the saferedirect function of the click-tracking endpoint /c// in Mailerup 1.0.0 on all platforms allows remote unauthenticated attackers to redirect victims to arbitrary external sites and conduct phishing attacks via a crafted u query parameter, because the...

CVE-2026-13163

CVE-2026-13163 describes an open redirect in Mailerup (<1.0.0) via the _safe_redirect function in the click-tracking endpoint /c// on all platforms. The vulnerability allows remote, unauthenticated attackers to redirect victims to arbitrary external sites by crafting the u parameter. The schem...

EUVD-2026-38759

Open redirect vulnerability CWE-601 in the saferedirect function of the click-tracking endpoint /c// in Mailerup 1.0.0 on all platforms allows remote unauthenticated attackers to redirect victims to arbitrary external sites and conduct phishing attacks via a crafted u query parameter, because the...