CVE-2025-43840 WordPress CheckBot plugin <= 1.05 - CSRF to Stored XSS vulnerability
A CSRF vulnerability in the CheckBot WordPress plugin allows attackers to inject stored XSS payloads, potentially compromising user sessions and site integrity.
- 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-2025-43840?
CVE-2025-43840 is a high-severity vulnerability in ref CheckBot, published on 19 May 2025. 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
Cross-Site Request Forgery (CSRF) vulnerability in ref CheckBot checkbot allows Stored XSS.This issue affects CheckBot: from n/a through <= 1.05.
Weakness: CWE-352
Which versions are affected by CVE-2025-43840?
How do I fix CVE-2025-43840?
No fix has been published for CVE-2025-43840 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-43840 being exploited?
There is no known exploitation of CVE-2025-43840 in the wild and no public exploit code.
Sources
Also known as GHSA-f6vc-5hqq-c3x2.