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Not in CISA KEV
HIGH severity

CVE-2023-32686 — kiwitcms

HIGH

CVE-2023-32686 is a high-severity (CVSS 8.1) Cross-site Scripting (XSS) vulnerability in kiwitcms. A fix is available for kiwitcms — see the affected versions and patch details below.

kiwitcms vulnerable to stored XSS via unrestricted files upload

Also known asGHSA-x7c2-7wvg-jpx7PYSEC-2026-1500
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • A successful exploit gives an attacker total control of the affected component, not partial access.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2023-32686.

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs38th percentile — riskier than 38% of all scored CVEsHighest risk
0.00%0.49%0.97%1.46%0.9%0.4%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍kiwitcms

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Impact

Kiwi TCMS allows users to upload attachments to test plans, test cases, etc. Earlier versions of Kiwi TCMS had introduced upload validators in order to prevent potentially dangerous files from being uploaded, see GHSA-fwcf-753v-fgcj and Content-Security-Policy definition to prevent cross-site-scripting attacks, see GHSA-2wcr-87wf-cf9j.

The upload validation checks were not robust enough which left the possibility of an attacker to circumvent them and upload a potentially dangerous file. Exploting this flaw a combination of files could be uploaded so that they work together to circumvent the existing Content-Security-Policy and allow execution of arbitrary JavaScript in the browser.

Patches

  • File upload validation code has been improved
  • Kiwi TCMS will now force Content-Type: text/plain when serving uploaded files

Workarounds

  1. Force the Content-Type header via a custom Django middleware, see ExtraHeadersMiddleware in https://github.com/kiwitcms/Kiwi/blob/master/tcms/core/middleware.py#L23 and/or
  2. Force the Content-Type header via Nginx overrides, see location /uploads/ in https://github.com/kiwitcms/Kiwi/blob/master/etc/nginx.conf

References

Disclosed by Antonio Spataro and ek1ng. Additional credits to Ahmed Rabeaa Mosa.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIkiwitcmsall versions12.3pip install --upgrade 'kiwitcms==12.3'

Affected Products

1 product · 1 configurations
Application
kiwi tcmskiwitcms
≤ 12.2
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for kiwitcms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update kiwitcms to 12.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-32686 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

### Impact Kiwi TCMS allows users to upload attachments to test plans, test cases, etc. Earlier versions of Kiwi TCMS had introduced upload validators in order to prevent potentially dangerous files from being uploaded, see [GHSA-fwcf-753v-fgcj](https://github.com/kiwitcms/Kiwi/security/advisories/GHSA-fwcf-753v-fgcj) and Content-Security-Policy definition to prevent cross-site-scripting attacks, see [GHSA-2wcr-87wf-cf9j](https://github.com/kiwitcms/Kiwi/security/advisories/GHSA-2wcr-87wf-cf9j). The upload validation checks were not robust enough which left the possibility of an attacker to c
O3 Security · Impact-Aware SCA

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CVE-2023-32686: kiwitcms — Fixed in 12.3