SUSE CVE-2018-3762

Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to...

SUSE CVE-2020-4040

Bolt CMS before version 3.7.1 lacked CSRF protection in the preview generating endpoint. Previews are intended to be generated by the admins, developers, chief-editors, and editors, who are authorized to create content in the application. But due to lack of proper CSRF protection, unauthorized...

SUSE CVE-2021-32802

Nextcloud server is an open source, self hosted personal cloud. Nextcloud supports rendering image previews for user provided file content. For some image types, the Nextcloud server was invoking a third-party library that wasn't suited for untrusted user-supplied content. There are several...

SUSE CVE-2022-24741

Nextcloud server is an open source, self hosted cloud style services platform. In affected versions an attacker can cause a denial of service by uploading specially crafted files which will cause the server to allocate too much memory / CPU. It is recommended that the Nextcloud Server is upgraded...

SUSE CVE-2022-31052

Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is sometimes recoverable and leads to an error for the reques...

SUSE CVE-2022-41952

Synapse before 1.52.0 with URL preview functionality enabled will attempt to generate URL previews for media stream URLs without properly limiting connection time. Connections will only be terminated after maxspidersize default: 10M bytes have been downloaded, which can in some cases lead to...

CVE-2023-25731

Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code. This vulnerability affects Firefox 110...

UBUNTU-CVE-2023-25731

Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code. This vulnerability affects Firefox 110...

Stored XSS vulnerability in custom email templates in email-ext

email-ext allows defining custom email templates using https://plugins.jenkins.io/config-file-provider/Config File Provider plugin as Jelly or Groovy files. The Email Template Testing feature can be used to see what these templates would look like based on a given build by specifying the managed:...

Previews are accessible without a watermark

None...

CVE-2023-25159: Improper Access Control

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform. Nextcloud Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, Nextcloud Enterprise Server 24.0.x prior to 24.0.8 and...

CVE-2023-21438

Improper logic in HomeScreen prior to SMR Feb-2023 Release 1 allows physical attacker to access App preview protected by Secure Folder...

Facebook Introduces New Features for End-to-End Encrypted Messenger App

Meta Platforms on Monday announced that it has started to expand global testing of end-to-end encryption E2EE in Messenger chats by default. "Over the next few months, more people will continue to see some of their chats gradually being upgraded with an extra layer of protection provided by...

Matrix synapse resource management error vulnerability

synapse is an open source application developed by Matrix. Used for open federated instant messaging and VoIP. A resource management error vulnerability exists in Matrix synapse versions prior to 1.53.0, which stems from Synapse generating URL previews of media streams without limiting the...

CVE-2022-37774

There is a broken access control vulnerability in the Maarch RM 2.8.3 solution. When accessing some specific document pdf, email from an archive, a preview is proposed by the application. This preview generates a URL including an md5 hash of the file accessed. The document's URL https://url/tmp/M...

DEBIAN-CVE-2022-41952

Synapse before 1.52.0 with URL preview functionality enabled will attempt to generate URL previews for media stream URLs without properly limiting connection time. Connections will only be terminated after maxspidersize default: 10M bytes have been downloaded, which can in some cases lead to...

UBUNTU-CVE-2022-41952

Synapse before 1.52.0 with URL preview functionality enabled will attempt to generate URL previews for media stream URLs without properly limiting connection time. Connections will only be terminated after maxspidersize default: 10M bytes have been downloaded, which can in some cases lead to...

synapse 资源管理错误漏洞

synapse is an open source application developed by Matrix. Used for open federated instant messaging and VoIP. A resource management error vulnerability exists in Matrix synapse versions prior to 1.53.0, which stems from Synapse generating URL previews of media streams without limiting the...

CVE-2022-36048

Zulip is an open-source team collaboration tool with topic-based threading that combines email and chat. When displaying messages with embedded remote images, Zulip normally loads the image preview via a go-camo proxy server. However, an attacker who can send messages could include a crafted URL...

CVE-2022-36048 IP address leak via image proxy bypass in Zulip Server

Zulip is an open-source team collaboration tool with topic-based threading that combines email and chat. When displaying messages with embedded remote images, Zulip normally loads the image preview via a go-camo proxy server. However, an attacker who can send messages could include a crafted URL...