CVE-2018-17886 Cross-site scripting in n/a
Attackers can bypass XSS filters in JEESNS to execute arbitrary scripts, potentially leading to session hijacking or data theft.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-17886?
CVE-2018-17886 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Oct 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
An issue was discovered in JEESNS 1.3. The XSS filter in com.lxinet.jeesns.core.utils.XssHttpServletRequestWrapper.java could be bypassed, as demonstrated by a <svg/onLoad=confirm substring. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-12429.
Weakness: CWE-79
Which versions are affected by CVE-2018-17886?
It affects 1 product.
Products include Jeesns Jeesns.
How do I fix CVE-2018-17886?
No fix has been published for CVE-2018-17886 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-2018-17886 being exploited?
There is no known exploitation of CVE-2018-17886 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-947p-gvp3-77p6.