CVE-2017-0931 Cross-Site Scripting in html-janitor
An XSS vulnerability in the html-janitor library allows attackers to execute arbitrary scripts via the clean() function.
- 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-2017-0931?
CVE-2017-0931 is a medium-severity cross-site scripting vulnerability in HackerOne html-janitor node module, published on 4 Jun 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
html-janitor node module suffers from a Cross-Site Scripting (XSS) vulnerability via clean() accepting user-controlled values.
Weakness: CWE-79
Which versions are affected by CVE-2017-0931?
2 open source packages ship an affected version, including html-janitor. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
html-janitor npm | All versions | 2.0.3 |
html-janitor npm | All versions | 2.0.3 |
Products include Html-Janitor Project Html-Janitor.
How do I fix CVE-2017-0931?
Upgrade html-janitor to 2.0.3 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-2017-0931 being exploited?
There is no known exploitation of CVE-2017-0931 in the wild and no public exploit code.
Sources
Also known as GHSA-hfj4-96f7-6r5g.