CVE-2025-10240 Possibility of unintended actions when a user clicks a malicious link in the Progress Flowmon web application
Attackers can trigger unintended actions in authenticated sessions via malicious links, potentially leading to account takeover or security bypass.
- 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-2025-10240?
CVE-2025-10240 is a high-severity cross-site scripting vulnerability in Progress Software Flowmon, published on 9 Oct 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
A vulnerability exists in the Progress Flowmon web application prior to version 12.5.5, whereby a user who clicks a malicious link provided by an attacker may inadvertently trigger unintended actions within their authenticated session.
Weakness: CWE-79
Which versions are affected by CVE-2025-10240?
How do I fix CVE-2025-10240?
No fix has been published for CVE-2025-10240 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-2025-10240 being exploited?
There is no known exploitation of CVE-2025-10240 in the wild and no public exploit code.
Sources
Also known as GHSA-46v2-jj3m-h888.