CVE-2020-36709 Page Builder: KingComposer < 2.9.4 - Stored Cross-Site Scripting
Authenticated attackers can inject arbitrary web scripts via shortcodes in the KingComposer WordPress plugin, leading to stored XSS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36709?
CVE-2020-36709 is a medium-severity cross-site scripting vulnerability in kingthemes Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme, published on 7 Jun 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via via shortcode in versions before 2.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2020-36709?
It affects 1 product.
Products include King-Theme Page Builder Kingcomposer.
How do I fix CVE-2020-36709?
No fix has been published for CVE-2020-36709 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-2020-36709 being exploited?
There is no known exploitation of CVE-2020-36709 in the wild and no public exploit code.
Other vulnerabilities in kingthemes Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme
Sources
Also known as GHSA-pr9r-mj5f-cvxc.