CVE-2022-29421 WordPress Countdown & Clock plugin <= 2.3.2 - Reflected Cross-Site Scripting (XSS) vulnerability
Attackers can execute arbitrary scripts in victim browsers via a reflected XSS vulnerability in the Countdown & Clock WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-29421?
CVE-2022-29421 is a medium-severity cross-site scripting vulnerability in Adam Skaat Countdown & Clock (WordPress plugin), published on 6 May 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Reflected Cross-Site Scripting (XSS) vulnerability in Adam Skaat's Countdown & Clock plugin on WordPress via &ycd_type vulnerable parameter.
Weakness: CWE-79
Which versions are affected by CVE-2022-29421?
It affects 1 product.
Products include Edmonsoft Countdown Builder.
How do I fix CVE-2022-29421?
No fix has been published for CVE-2022-29421 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-2022-29421 being exploited?
There is no known exploitation of CVE-2022-29421 in the wild and no public exploit code.
Other vulnerabilities in Adam Skaat Countdown & Clock (WordPress plugin)
- CVE-2022-29420 WordPress Countdown & Clock plugin <= 2.3.2 - Auth. Stored Cross-Site Scripting (XSS) vulnerability
- CVE-2024-2017 Missing authorization in Countdown, Coming Soon, Maintenance – Countdown & Clock
- CVE-2022-29422 Cross-site scripting in Countdown & Clock (WordPress plugin)
- CVE-2022-29423 WordPress Countdown & Clock plugin <= 2.3.2 - Pro Features Lock Bypass vulnerability
Sources
Also known as GHSA-8vxg-r3hj-c4gx.