CVE-2021-24577 Coming Soon and Maintenance Mode < 3.5.3 - Authenticated Stored XSS
Authenticated users can inject malicious scripts into maintenance mode pages, potentially leading to code execution against other 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-2021-24577?
CVE-2021-24577 is a medium-severity cross-site scripting vulnerability in Unknown Coming soon and Maintenance mode, published on 11 Oct 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 Coming soon and Maintenance mode WordPress plugin before 3.5.3 does not properly sanitize inputs submitted by authenticated users when setting adding or modifying coming soon or maintenance mode pages, leading to stored XSS.
Weakness: CWE-79
Which versions are affected by CVE-2021-24577?
It affects 1 product.
Products include Wpdevart Coming Soon and Maintenance Mode.
How do I fix CVE-2021-24577?
No fix has been published for CVE-2021-24577 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-2021-24577 being exploited?
There is no known exploitation of CVE-2021-24577 in the wild and no public exploit code.
Other vulnerabilities in Unknown Coming soon and Maintenance mode
Sources
Also known as GHSA-32hf-ffvm-wx32.