CVE-2025-31140Network attack vector

Stored script execution via Cloud Profiles page

Published Mar 27, 2025 · Updated Mar 27, 2025

Stored XSS in the Cloud Profiles page of JetBrains TeamCity before 2025.03 allows remote authenticated users to execute browser script. JetBrains has not published which Cloud Profiles field accepts the payload or which output path renders it without safe encoding. A low-privileged account can plant the payload, but another user must open the affected page; execution can expose or alter data available to that user's session.

CVSS severity4.6
Medium
EPSS probability28.04%
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 the Cloud Profiles page of JetBrains TeamCity before 2025.03 allows remote authenticated users to execute browser script. JetBrains has not published which Cloud Profiles field accepts the payload or which output path renders it without safe encoding. A low-privileged account can plant the payload, but another user must open the affected page; execution can expose or alter data available to that user's session.

The record

CVE
CVE-2025-31140
Published
Mar 27, 2025
Updated
Mar 27, 2025
Vendor
JetBrains
Product
TeamCity
Classifications
CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 27, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 2025Record 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 <2025.03

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

JetBrains · TeamCityversion=0 <2025.03

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/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')

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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