CVE-2021-24880 SupportCandy < 2.2.7 - Contributor+ Stored Cross-Site Scripting
Contributors can inject malicious scripts via the shortcode page attribute, potentially leading to code execution in the admin interface.
- 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-2021-24880?
CVE-2021-24880 is a medium-severity cross-site scripting vulnerability in Unknown SupportCandy – Helpdesk & Support Ticket System, published on 7 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 SupportCandy WordPress plugin before 2.2.7 does not validate and escape the page attribute of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks
Weakness: CWE-79
Which versions are affected by CVE-2021-24880?
It affects 1 product.
Products include Supportcandy Supportcandy.
How do I fix CVE-2021-24880?
No fix has been published for CVE-2021-24880 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-2021-24880 being exploited?
There is no known exploitation of CVE-2021-24880 in the wild and no public exploit code.
Other vulnerabilities in Unknown SupportCandy – Helpdesk & Support Ticket System
Sources
Also known as GHSA-g3q8-mx59-88v9.