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CVE-2023-28318

MEDIUM
5.3
CVSS Score
Published: May 9, 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 0.3%
SSVC
No known exploit

Description

A vulnerability has been discovered in Rocket.Chat, where messages can be hidden regardless of the Message_KeepHistory or Message_ShowDeletedStatus server configuration. This allows users to bypass the intended message deletion behavior, hiding messages and deletion notices.

Affected

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

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)

Third Party Advisory
Source: [email protected]
https://hackerone.com/reports/1379451

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
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-285NVD-CWE-noinfoCWE-346

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