CVE-2023-41248Network attack vector

Stored script execution via Cloud Profiles configuration

Published Aug 25, 2023 · Updated Sep 27, 2024

Stored XSS in JetBrains TeamCity before 2023.05.3 allows remote authenticated users to run script through Cloud Profiles configuration. JetBrains has not published the affected field or the missing encoding or sanitization operation that permits attacker-supplied content to persist and render as active script. The attacker needs Cloud Profiles configuration access and user interaction; execution is limited to the viewing user's browser context.

CVSS severity4.6
Medium
EPSS probability0.36%
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 TeamCity before 2023.05.3 allows remote authenticated users to run script through Cloud Profiles configuration. JetBrains has not published the affected field or the missing encoding or sanitization operation that permits attacker-supplied content to persist and render as active script. The attacker needs Cloud Profiles configuration access and user interaction; execution is limited to the viewing user's browser context.

The record

CVE
CVE-2023-41248
Published
Aug 25, 2023
Updated
Sep 27, 2024
Vendor
JetBrains
Product
TeamCity
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 27, 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 <2023.05.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

JetBrains · TeamCityversion=0 <2023.05.3

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
4.6JetBrains s.r.o.CVSS: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')
T1059.007Command and Scripting Interpreter: JavaScript/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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