EUVD-2026-64899

Horde IMP's AppleDouble MIME viewer writes an attacker-controlled attachment name into an HTML status block without escaping it. In lib/Mime/Viewer/Appledouble.php, IMPrender obtains the name of the data part with IMPContents::getPartName, which returns the MIME part's own name parameter as...

CVE-2026-65053

Horde IMP (webmail application) contains a stored cross-site scripting vulnerability in its AppleDouble MIME viewer. In lib/Mime/Viewer/Appledouble.php, the _IMPrender() method passes the MIME part's name parameter through sprintf into an IMP_Mime_Status object without escaping; IMP_Mime_Status::...