CVE-2021-24933 Dynamic Widgets <= 1.5.16 - Reflected Cross-Site Scripting
Authenticated attackers can inject malicious scripts via the prefix parameter in the term_tree AJAX action, potentially compromising user sessions.
- 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-2021-24933?
CVE-2021-24933 is a medium-severity cross-site scripting vulnerability in Unknown Dynamic Widgets, published on 28 Feb 2022. 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 Dynamic Widgets WordPress plugin through 1.5.16 does not escape the prefix parameter before outputting it back in an attribute when using the term_tree AJAX action (available to any authenticated users), leading to a Reflected Cross-Site Scripting issue
Weakness: CWE-79
Which versions are affected by CVE-2021-24933?
It affects 1 product.
Products include Bootstrapped Dynamic Widgets.
How do I fix CVE-2021-24933?
No fix has been published for CVE-2021-24933 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-2021-24933 being exploited?
There is no known exploitation of CVE-2021-24933 in the wild and no public exploit code.
Sources
Also known as GHSA-r699-gfhh-m9f6.