CVE-2018-18621 Cross-site scripting in n/a
Attackers can execute arbitrary scripts in victims' browsers via stored XSS in the Pronto! Mail Composer, potentially leading to account takeover.
- 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-2018-18621?
CVE-2018-18621 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 Oct 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
CommuniGate Pro 6.2 allows stored XSS via a message body in Pronto! Mail Composer, which is mishandled in /MIME/INBOX-MM-1/ if the raw email link (in .txt format) is modified and then renamed with a .html or .wssp extension.
Weakness: CWE-79
Which versions are affected by CVE-2018-18621?
It affects 1 product.
Products include Communigate Communigate Pro.
How do I fix CVE-2018-18621?
No fix has been published for CVE-2018-18621 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-2018-18621 being exploited?
There is no known exploitation of CVE-2018-18621 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-m987-jp5m-qvxh.