CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0CVE-2023-28357
https://notcve.org/view.php?id=CVE-2023-28357
A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members to unauthorized users. This allows authenticated users to enumerate whether a username is a member of a channel that they do not have access to. • https://hackerone.com/reports/1445810 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0CVE-2023-28325
https://notcve.org/view.php?id=CVE-2023-28325
An improper authorization vulnerability exists in Rocket.Chat <6.0 that could allow a hacker to manipulate the rid parameter and change the updateMessage method that only checks whether the user is allowed to edit message in the target room. • https://hackerone.com/reports/1406479 • CWE-285: Improper Authorization CWE-287: Improper Authentication •
CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0CVE-2023-28356
https://notcve.org/view.php?id=CVE-2023-28356
A vulnerability has been identified where a maliciously crafted message containing a specific chain of characters can cause the chat to enter a hot loop on one of the processes, consuming ~120% CPU and rendering the service unresponsive. • https://hackerone.com/reports/1461340 • CWE-400: Uncontrolled Resource Consumption •
CVSS: 6.1EPSS: 0%CPEs: 1EXPL: 0CVE-2023-28358
https://notcve.org/view.php?id=CVE-2023-28358
A vulnerability has been discovered in Rocket.Chat where a markdown parsing issue in the "Search Messages" feature allows the insertion of malicious tags. This can be exploited on servers with content security policy disabled possible leading to some issues attacks like account takeover. • https://hackerone.com/reports/1781131 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 5.3EPSS: 0%CPEs: 1EXPL: 0CVE-2023-28359
https://notcve.org/view.php?id=CVE-2023-28359
A NoSQL injection vulnerability has been identified in the listEmojiCustom method call within Rocket.Chat. This can be exploited by unauthenticated users when there is at least one custom emoji uploaded to the Rocket.Chat instance. The vulnerability causes a delay in the server response, with the potential for limited impact. • https://hackerone.com/reports/1757676 • CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') •