CVE-2021-24681 Duplicate Page <= 4.4.2 - Admin+ Stored Cross-Site Scripting
High-privilege users can inject malicious scripts via unsanitized settings in the Duplicate Page WordPress plugin, leading to stored XSS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24681?
CVE-2021-24681 is a medium-severity cross-site scripting vulnerability in Unknown Duplicate Page, published on 11 Oct 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Duplicate Page WordPress plugin through 4.4.2 does not sanitise or escape the Duplicate Post Suffix settings before outputting it, which could allow high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Weakness: CWE-79
Which versions are affected by CVE-2021-24681?
It affects 1 product.
Products include Duplicatepro Duplicate Page.
How do I fix CVE-2021-24681?
No fix has been published for CVE-2021-24681 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-2021-24681 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24681 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-jm7r-f6v6-6cpx.