CVE-2018-6943 Cross-site scripting in n/a
An attacker can execute arbitrary scripts in the context of other users' browsers via unsanitized input in the UltimateMember WordPress plugin.
- 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-2018-6943?
CVE-2018-6943 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 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
core/lib/upload/um-image-upload.php in the UltimateMember plugin 2.0 for WordPress has a cross-site scripting vulnerability because it fails to properly sanitize user input passed to the $temp variable.
Weakness: CWE-79
Which versions are affected by CVE-2018-6943?
It affects 1 product.
Products include Ultimatemember Ultimatemember.
How do I fix CVE-2018-6943?
No fix has been published for CVE-2018-6943 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-2018-6943 being exploited?
There is no known exploitation of CVE-2018-6943 in the wild and no public exploit code.
Sources
Also known as GHSA-39g2-6pv8-xcjv.