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GHSA-hwjf-4667-gqwx: Mattermost allows attackers access to posts in channels they are not a member of

Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.

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GHSA-vm9m-57jr-4pxh: Mattermost fails to limit the number of role names

Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, 9.3.0, and 9.4.x before 9.4.2 fail to limit the number of role names requested from the API, allowing an authenticated attacker to cause the server to run out of memory and crash by issuing an unusually large HTTP request.

GHSA-3g35-v53r-gpxc: Mattermost race condition

A race condition in Mattermost versions 8.1.x before 8.1.9, and 9.4.x before 9.4.2 allows an authenticated attacker to gain unauthorized access to individual posts' contents via carefully timed post creation while another user deletes posts.

GHSA-6v6w-h8m6-7mv2: Apache Airflow: DAG Code and Import Error Permissions Ignored

Apache Airflow, versions before 2.8.2, has a vulnerability that allows authenticated users to view DAG code and import errors of DAGs they do not have permission to view through the API and the UI. Users of Apache Airflow are recommended to upgrade to version 2.8.2 or newer to mitigate the risk associated with this vulnerability

Facebook bug could have allowed attacker to take over accounts

A vulnerability, now fixed, in Facebook could have allowed an attacker to take over a Facebook account without the victim needing to click on anything at all.

GHSA-7v3v-984v-h74r: Mattermost leaks details of AD/LDAP groups of a teams

Mattermost fails to properly authorize the requests fetching team associated AD/LDAP groups, allowing a user to fetch details of AD/LDAP groups of a team that they are not a member of. 

GHSA-3hrr-xwvg-hxvr: Keycloak DoS via account lockout

A flaw was found in Keycloak. In certain conditions, this issue may allow a remote unauthenticated attacker to block other accounts from logging in.

Biden Executive Order Bans Sale of US Data to China, Russia. Good Luck

The White House issued an executive order on Wednesday that aims to prevent the sale of Americans' data to “countries of concern,” including China and Russia. Its effectiveness may vary.

GHSA-8mq4-9jjh-9xrc: YARD's default template vulnerable to Cross-site Scripting in generated frames.html

### Summary The "frames.html" file within the Yard Doc's generated documentation is vulnerable to Cross-Site Scripting (XSS) attacks due to inadequate sanitization of user input within the JavaScript segment of the "frames.erb" template file. ### Details The vulnerability stems from mishandling user-controlled data retrieved from the URL hash in the embedded JavaScript code within the "frames.erb" template file. Specifically, the script lacks proper sanitization of the hash data before utilizing it to establish the top-level window's location. This oversight permits an attacker to inject malicious JavaScript payloads through carefully crafted URLs. Snippet from "frames.erb": ```erb <script type="text/javascript"> var match = unescape(window.location.hash).match(/^#!(.+)/); var name = match ? match[1] : '<%= url_for_main %>'; name = name.replace(/^(\w+):\/\//, '').replace(/^\/\//, ''); window.top.location = name; </script> ``` ### PoC (Proof of Concept) To exploit this vulner...