CVE-2025-40648 Stored Cross-Site Scripting (XSS) vulnerability in Issabel products
Attackers can inject malicious scripts via the conference number parameter, potentially compromising user sessions and data in Issabel.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-40648?
CVE-2025-40648 is a medium-severity cross-site scripting vulnerability in Issabel, issabel-agenda module Issabel, published on 1 Oct 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Stored Cross-Site Scripting (XSS) vulnerability in Issabel v5.0.0, consisting of a stored XSS due to a lack of proper validation of user input, through the 'numero_conferencia' parameter in '/index.php?menu=conferencia'.
Weakness: CWE-79
Which versions are affected by CVE-2025-40648?
How do I fix CVE-2025-40648?
No fix has been published for CVE-2025-40648 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-2025-40648 being exploited?
There is no known exploitation of CVE-2025-40648 in the wild and no public exploit code.
Sources
Also known as GHSA-2qqm-fhwf-736x.