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TI-2023-17057 Aliases CVE-2023-34221GHSA-2g8f-vcw3-hp3m

In JetBrains TeamCity before 2023.05 stored XSS in the Show Connection page was possible

Priority LOW 26CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

In JetBrains TeamCity before 2023.05 stored XSS in the Show Connection page was possible

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0104 64th percentileScored 2026-11-07
Fix Fixed TeamCity (JetBrains): 2023.05

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JetBrainsTeamCitybefore 2023.052023.05Patch availableCNA
  • TeamCity VendorJetBrains Affected before 2023.05 Fixed in 2023.05 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*before 2023.05VulnerableJetBrains
  • cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:* Versions before 2023.05 Vulnerable ·JetBrains

Remediation

  • Fix · CNA TeamCity (JetBrains) Fixed in 2023.05

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    JetBrains TeamCity 2023.05

    12 records Highest priority Priority MEDIUM 3 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2023-17061 In JetBrains TeamCity before 2023.05 stored XSS in the NuGet feed page was possiblePriority MEDIUM 59
    • TI-2023-17056 In JetBrains TeamCity before 2023.05 stored XSS in the Commit Status Publisher window was possiblePriority MEDIUM 59
    • TI-2023-17054 In JetBrains TeamCity before 2023.05 bypass of permission checks allowing to perform admin actions was possiblePriority MEDIUM 50
    Show all 12 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-34221
  2. 2026-10-03 Alias added: GHSA-2g8f-vcw3-hp3m

References

Advisory 1

  • TI-2026-45031 Deserialization of untrusted data in JetBrains TeamCity KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18053 In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-22884 In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18054 In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible KEVCVSS 3.1HIGH 7.3
  • TI-2024-15905 In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible CVSS 3.1CRITICAL 9.8
  • TI-2015-01192 JetBrains TeamCity 8 and 9 before 9.0.2 allows bypass of account-creation restrictions… CVSS 3.1MEDIUM 6.5
See all 282 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences