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PYSEC-2017-43

Quick fix

PYSEC-2017-43 — werkzeug: upgrade to the fixed version with the command below.

pip install --upgrade 'werkzeug>=0.11.11'

Details

Cross-site scripting (XSS) vulnerability in the render_full function in debug/tbtools.py in the debugger in Pallets Werkzeug before 0.11.11 (as used in Pallets Flask and other products) allows remote attackers to inject arbitrary web script or HTML via a field that contains an exception message.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/werkzeug

Introduced in: 0Fixed in: 0.11.11

Fixpip install --upgrade 'werkzeug>=0.11.11'

References

https://github.com/pallets/werkzeug/pull/1001[WEB]
http://blog.neargle.com/2016/09/21/flask-src-review-get-a-xss-from-debuger/[ARTICLE]
https://lists.debian.org/debian-lts-announce/2017/11/msg00037.html[WEB]
https://github.com/advisories/GHSA-h2fp-xgx6-xh6f[ADVISORY]