CVE-2024-45621

Name: CVE-2024-45621
Creator: NVD / NIST
Published: 2024-09-02T19:15:13.073+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2024-45621 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.30%

22.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rocket.Chat	Rocket.Chat	<= 6.3.4

References

https://github.com/RocketChat/Rocket.Chat/releases/tag/6.3.4Product
https://hackerone.com/reports/1967109Issue Tracking, Third Party Advisory

Timeline

Published: Sep 2, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-45621?

How severe is CVE-2024-45621?

CVE-2024-45621 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2024-45621?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-45621?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST