CVE-2022-29927Network attack vector

Browser script execution via Build Chain reflection

Published May 12, 2022 · Updated Aug 3, 2024

Reflected XSS on Build Chain Status page in JetBrains TeamCity before 2022.04 allows remote authenticated users to execute script in a user’s browser. JetBrains has not published the affected parameter or the output-encoding operation that reflects it into the page. Reaching the flaw requires low-privileged access and user interaction; exploitation can read or modify browser-accessible data in the TeamCity origin.

CVSS severity6.1
Medium
EPSS probability1.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS on Build Chain Status page in JetBrains TeamCity before 2022.04 allows remote authenticated users to execute script in a user’s browser. JetBrains has not published the affected parameter or the output-encoding operation that reflects it into the page. Reaching the flaw requires low-privileged access and user interaction; exploitation can read or modify browser-accessible data in the TeamCity origin.

The record

CVE
CVE-2022-29927
Published
May 12, 2022
Updated
Aug 3, 2024
Vendor
JetBrains
Product
TeamCity
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 12, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=2022.04 <2022.04

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

JetBrains · TeamCityversion=2022.04 <2022.04

Published CVSS scores

4.3NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
6.1NVDCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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')
T1203Exploitation for Client Execution

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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