What’s Vulnerable › Vulnerabilities

CVE-2023-34221

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-31 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• JetBrains TeamCity: before 2023.05 — fixed in 2023.05

How to fix

Upgrade to a fixed version: JetBrains TeamCity 2023.05. Check the vendor advisory for mitigations.

References

• https://www.jetbrains.com/privacy-security/issues-fixed/
• https://www.jetbrains.com/privacy-security/issues-fixed/

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