CVE-2021-39220

Nextcloud is an open-source, self-hosted productivity platform The Nextcloud Mail application prior to versions 1.10.4 and 1.11.0 does by default not render images in emails to not leak the read state or user IP. The privacy filter failed to filter images with a relative protocol. It is recommend...

CVE-2021-39220

Summary: CVE-2021-39220 affects the Nextcloud Mail application. The issue is an information-disclosure due to a privacy filter that fails to filter images using relative protocols, allowing leakage of read state or user IP. Affected versions: Nextcloud Mail prior to 1.10.4 and 1.11.0. Root cause:...

CVE-2021-39220 Bypass of image blocking in Nextcloud Mail

Nextcloud is an open-source, self-hosted productivity platform The Nextcloud Mail application prior to versions 1.10.4 and 1.11.0 does by default not render images in emails to not leak the read state or user IP. The privacy filter failed to filter images with a relative protocol. It is recommend...