CVE-2022-1896 underConstruction < 1.21 - Admin+ Stored Cross-Site Scripting
High-privilege users can inject malicious scripts via the custom HTML setting in the underConstruction WordPress plugin, potentially compromising other users.
- 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-2022-1896?
CVE-2022-1896 is a medium-severity cross-site scripting vulnerability in Unknown underConstruction, published on 20 Jun 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The underConstruction WordPress plugin before 1.21 does not sanitise or escape the "Display a custom page using your own HTML" setting before outputting it, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiletred_html capability is disallowed.
Weakness: CWE-79
Which versions are affected by CVE-2022-1896?
It affects 1 product.
Products include Underconstruction Project Underconstruction.
How do I fix CVE-2022-1896?
No fix has been published for CVE-2022-1896 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-2022-1896 being exploited?
There is no known exploitation of CVE-2022-1896 in the wild and no public exploit code.
Other vulnerabilities in Unknown underConstruction
Sources
Also known as GHSA-62wc-7chw-p6cr.