CVE-2018-16516 Flask-Admin Cross-site Scripting vulnerability
Reflected XSS in Flask-Admin allows attackers to execute arbitrary scripts in victim browsers via crafted URLs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-16516?
CVE-2018-16516 is a medium-severity cross-site scripting vulnerability in n/a, published on 5 Sep 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
helpers.py in Flask-Admin 1.5.2 has Reflected XSS via a crafted URL.
Weakness: CWE-79
Which versions are affected by CVE-2018-16516?
3 open source packages ship an affected version, including flask-admin and Flask-Admin. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
flask-admin PyPI | All versions | 1.5.3 |
flask-admin PyPI | All versions | 1.5.3 |
Flask-Admin PyPI | All versions | 1.5.3 |
Products include Flask-Admin Project Flask-Admin.
How do I fix CVE-2018-16516?
Upgrade flask-admin to 1.5.3 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2018-16516 being exploited?
There is no known exploitation of CVE-2018-16516 in the wild and no public exploit code.
Sources
Also known as GHSA-894g-6j7q-2hx6, PYSEC-2018-54.