CVE-2020-8498 Cross-site scripting in n/a
A stored XSS vulnerability in the GistPress WordPress plugin allows contributors to execute arbitrary JavaScript with higher user privileges.
- 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-2020-8498?
CVE-2020-8498 is a medium-severity cross-site scripting vulnerability in n/a, published on 30 Jan 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
XSS exists in the shortcode functionality of the GistPress plugin before 3.0.2 for WordPress via the includes/class-gistpress.php id parameter. This allows an attacker with the WordPress Contributor role to execute arbitrary JavaScript code with the privileges of other users (e.g., ones who have the publish_posts capability).
Weakness: CWE-79
Which versions are affected by CVE-2020-8498?
It affects 1 product.
Products include Gistpress Project Gistpress.
How do I fix CVE-2020-8498?
No fix has been published for CVE-2020-8498 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-2020-8498 being exploited?
There is no known exploitation of CVE-2020-8498 in the wild and no public exploit code.
Sources
Also known as GHSA-xf44-j366-mwxm.