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CVE-2024-45621

MEDIUM
5.4
CVSS Score
Published: September 2, 2024 at 12:00 AM UTC
Updated: June 17, 2026 at 07:54 AM UTC
1 product affected across 1 vendorChat Rocket Chat

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

The Electron desktop application of Rocket.Chat through 6.3.4 allows stored XSS via links in an uploaded file, related to failure to use a separate browser upon encountering third-party external actions from PDF documents.

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 (2)

Product
Source: [email protected]
https://github.com/RocketChat/Rocket.Chat/releases/tag/6.3.4
Issue TrackingThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/1967109

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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