CVE-2024-50582Network attack vector

Stored script execution via improperly sanitized Markdown

Published Oct 28, 2024 · Updated Oct 28, 2024

Stored XSS in JetBrains YouTrack before 2024.3.47707 allows remote authenticated users to execute script through crafted Markdown. Markdown element rendering improperly sanitizes stored HTML, allowing executable content to persist and run when another user views it. Low-privileged access and user interaction are required; successful exploitation reads or modifies browser-accessible data in the viewer's YouTrack session.

CVSS severity4.6
Medium
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in JetBrains YouTrack before 2024.3.47707 allows remote authenticated users to execute script through crafted Markdown. Markdown element rendering improperly sanitizes stored HTML, allowing executable content to persist and run when another user views it. Low-privileged access and user interaction are required; successful exploitation reads or modifies browser-accessible data in the viewer's YouTrack session.

The record

CVE
CVE-2024-50582
Published
Oct 28, 2024
Updated
Oct 28, 2024
Vendor
JetBrains
Product
YouTrack
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 28, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2024.3.47707

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

JetBrains · YouTrackversion=0 <2024.3.47707

Published CVSS scores

5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
4.6JetBrainsCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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