CVE-2021-25042 WP Visitor Statistics (Real Time Traffic) < 5.5 - Arbitrary IP Address Exclusion to Stored XSS
Authenticated users or CSRF attacks can inject malicious scripts via IP exclusion settings, leading to stored XSS against admins.
- 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-2021-25042?
CVE-2021-25042 is a medium-severity cross-site scripting vulnerability in Unknown WP Visitor Statistics (Real Time Traffic), published on 28 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 WP Visitor Statistics (Real Time Traffic) WordPress plugin before 5.5 does not have authorisation and CSRF checks in the updateIpAddress AJAX action, allowing any authenticated user to call it, or make a logged in user do it via a CSRF attack and add an arbitrary IP address to exclude. Furthermore, due to the lack of validation, sanitisation and escaping, users could set a malicious value and perform Cross-Site Scripting attacks against logged in admin
Weakness: CWE-862
Which versions are affected by CVE-2021-25042?
It affects 1 product.
Products include Codepress Visitor Statistics.
How do I fix CVE-2021-25042?
No fix has been published for CVE-2021-25042 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-2021-25042 being exploited?
There is no known exploitation of CVE-2021-25042 in the wild and no public exploit code.
Other vulnerabilities in Unknown WP Visitor Statistics (Real Time Traffic)
- CVE-2023-0600 WP Visitor Statistics (Real Time Traffic) < 6.9 - Unauthenticated SQLi
- CVE-2022-33965 WordPress WP Visitor Statistics plugin <= 5.7 - Multiple Unauthenticated SQL Injection (SQLi) vulnerabilities
- CVE-2022-0410 WP Visitor Statistics (Real Time Traffic) < 5.6 - Subscriber+ SQL Injection
- CVE-2021-24750 WP Visitor Statistics (Real Time Traffic) < 4.8 - Subscriber+ SQL Injection
- CVE-2022-4656 WP Visitor Statistics (Real Time Traffic) < 6.5 - Contributor+ Stored XSS via Shortcode
Sources
Also known as GHSA-6wm6-vgw4-6ghw.