CVE intelligence and bounded remediation
CVE-2019-15848 — Jetbrains Teamcity security vulnerability
Medium
CVSS 6.1
JetBrains TeamCity 2019.1 and 2019.1.1 allows cross-site scripting (XSS), potentially making it possible to send an arbitrary HTTP request to a TeamCity server under the name of the currently logged-in user.
- Severity
- Medium
- CVSS
- 6.1 (3.0)
- Published
- 2019-09-05
- CISA KEV
- Not currently listed
- Ecosystem
- software/application
- Weaknesses
- CWE-79
Affected products
- jetbrains / teamcity / 2019.1
- jetbrains / teamcity / 2019.1.1
Matched remediation archetype
Cross-site scripting and unsafe browser output
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Check exposure
- Trace reflected, stored, and DOM-derived untrusted values into HTML, attributes, URLs, styles, scripts, and client-side template sinks.
- Identify affected origins, authenticated user roles, sensitive browser capabilities, and where content is shared across tenants.
- Review framework escaping, rich-text sanitization, legacy templates, and client-side rendering paths.
Remediate safely
- Use context-aware framework output encoding and safe DOM APIs; keep untrusted data out of executable contexts.
- Sanitize intentionally supported markup with a maintained allowlist policy and validate URLs and attributes separately.
- Update affected rendering components and add tests for every output context using inert sentinel markup.
Authoritative sources
Complete CVE record and remediation plan
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