CVE-2023-28359

MEDIUM

5.3

CVSS Score

Published: May 11, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:47 AM UTC

1 product affected across 1 vendorChat Rocket Chat

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Severity

MEDIUM5.3

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Chat Rocket Chat · Rocket Chat

95%

v < 6.0.0This issue has been fixed in version 6.0> and is backported for the supported versions. Check this document for more info: https://docs.rocket.chat/resources/get-support/enterprise-support#rocket.chat-versions

Affected range stops below 6.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Issue TrackingThird Party Advisory

Source: [email protected]

https://hackerone.com/reports/1757676

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: LOW

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-89

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