CVE-2017-16755 Cross-site scripting in n/a
Reflected XSS in HelpSpot allows attackers to execute scripts via the return parameter, potentially compromising user sessions.
- 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
- None listed
What is CVE-2017-16755?
CVE-2017-16755 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Feb 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
An issue was discovered in Userscape HelpSpot before 4.7.2. A reflected cross-site scripting vulnerability exists in the "return" parameter of the "index.php?pg=moderated" endpoint. It executes when the return link is clicked.
Weakness: CWE-79
Which versions are affected by CVE-2017-16755?
It affects 1 product.
Products include Userscape Helpspot.
How do I fix CVE-2017-16755?
No fix has been published for CVE-2017-16755 yet. Limit exposure of the affected software until one is available.
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-2017-16755 being exploited?
There is no known exploitation of CVE-2017-16755 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2449-pp8x-8984.