CVE-2021-24256 Elementor - Header, Footer & Blocks Template < 1.5.8 - Contributor+ Stored XSS
Lower-privileged users can inject malicious scripts via vulnerable widgets, potentially executing code in other users' browsers.
- 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-2021-24256?
CVE-2021-24256 is a medium-severity cross-site scripting vulnerability in Unknown Elementor – Header, Footer & Blocks Template, published on 5 May 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 “Elementor – Header, Footer & Blocks Template” WordPress Plugin before 1.5.8 has two widgets that are vulnerable to stored Cross-Site Scripting (XSS) by lower-privileged users such as contributors, all via a similar method.
Weakness: CWE-79
Which versions are affected by CVE-2021-24256?
It affects 1 product.
Products include Brainstormforce Elementor - Header\, Footer \& Blocks Template.
How do I fix CVE-2021-24256?
No fix has been published for CVE-2021-24256 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-2021-24256 being exploited?
There is no known exploitation of CVE-2021-24256 in the wild and no public exploit code.
Other vulnerabilities in Unknown Elementor – Header, Footer & Blocks Template
Sources
Also known as GHSA-8f44-ww46-87xp.