CVE-2021-24660 PostX Gutenberg Blocks Saved Templates Addon < 2.4.10 - Contributor+ Stored Cross-Site Scripting
Contributors can inject malicious scripts via shortcodes in the PostX Gutenberg Blocks plugin when the Saved Templates Addon is enabled.
- 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-2021-24660?
CVE-2021-24660 is a medium-severity cross-site scripting vulnerability in Unknown PostX – Gutenberg Blocks for Post Grid, published on 27 Sep 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's shortcode.
Weakness: CWE-79
Which versions are affected by CVE-2021-24660?
It affects 1 product.
Products include Wpxpo Postx - Gutenberg Blocks for Post Grid.
How do I fix CVE-2021-24660?
No fix has been published for CVE-2021-24660 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-2021-24660 being exploited?
There is no known exploitation of CVE-2021-24660 in the wild and no public exploit code.
Other vulnerabilities in Unknown PostX – Gutenberg Blocks for Post Grid
Sources
Also known as GHSA-4gw5-jrj4-5wc6.