CVE-2025-40663 Stored Cross-Site Scripting (XSS) in i2A-Cronos by i2A

Medium 5.1 Published Updated

An authenticated attacker can inject malicious scripts via SVG uploads in i2A-Cronos, potentially compromising user sessions.

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-2025-40663?

CVE-2025-40663 is a medium-severity cross-site scripting vulnerability in i2A Cronos, published on 26 May 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Stored Cross-Site Scripting (XSS) vulnerability in i2A-Cronos version 23.02.01.17, from i2A. It allows an authenticated attacker to upload a malicious SVG image into the user's personal space in /CronosWeb/Modules/Persons/PersonalDocuments/PersonalDocuments. There is no reported fix at this time.

Weakness: CWE-79

Which versions are affected by CVE-2025-40663?

How do I fix CVE-2025-40663?

No fix has been published for CVE-2025-40663 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-2025-40663 being exploited?

There is no known exploitation of CVE-2025-40663 in the wild and no public exploit code.

Sources

Also known as GHSA-jwv4-36xj-9f72.

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