CVE-2018-20153 Cross-site scripting in n/a
Contributors can inject malicious scripts into comments made by higher-privileged users, leading to cross-site scripting attacks.
- 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
- Available
What is CVE-2018-20153?
CVE-2018-20153 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 14 Dec 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
In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could modify new comments made by users with greater privileges, possibly causing XSS.
Weakness: CWE-79
Which versions are affected by CVE-2018-20153?
It affects 2 products.
Products include Debian Debian Linux, Wordpress Wordpress.
How do I fix CVE-2018-20153?
Upgrade to a fixed version.
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-2018-20153 being exploited?
There is no known exploitation of CVE-2018-20153 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2018-20153, GHSA-w8h5-qp6m-vfm9, UBUNTU-CVE-2018-20153.