CVE-2021-24671 MX Time Zone Clocks < 3.4.1 - Contributor+ Cross-Site Scripting
Contributors can inject malicious scripts via the time_zone shortcode attribute, leading to stored XSS attacks against site visitors.
- 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-2021-24671?
CVE-2021-24671 is a medium-severity cross-site scripting vulnerability in Unknown MX Time Zone Clocks, published on 27 Sep 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 MX Time Zone Clocks WordPress plugin before 3.4.1 does not escape the time_zone attribute of the mxmtzc_time_zone_clocks shortcode, allowing users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks
Weakness: CWE-79
Which versions are affected by CVE-2021-24671?
It affects 1 product.
Products include Mx Time Zone Clocks Project Mx Time Zone Clocks.
How do I fix CVE-2021-24671?
No fix has been published for CVE-2021-24671 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-2021-24671 being exploited?
There is no known exploitation of CVE-2021-24671 in the wild and no public exploit code.
Sources
Also known as GHSA-9g22-9q66-j2qp.