CVE-2025-41084 Stored Cross-Site Scripting (XSS) in Sesame web application
Attackers can inject malicious scripts via unsanitized SVG uploads, leading to code execution in victim browsers.
- 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-2025-41084?
CVE-2025-41084 is a medium-severity cross-site scripting vulnerability in Sesame, published on 20 Jan 2026. 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 Sesame web application, due to the fact that uploaded SVG images are not properly sanitized. This allows attackers to embed malicious scripts in SVG files by sending a POST request using the 'logo' parameter in '/api/v3/companies/<ID>/logo', which are then stored on the server and executed in the context of any user who accesses the compromised resource.
Weakness: CWE-79
Which versions are affected by CVE-2025-41084?
How do I fix CVE-2025-41084?
No fix has been published for CVE-2025-41084 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-2025-41084 being exploited?
There is no known exploitation of CVE-2025-41084 in the wild and no public exploit code.
Sources
Also known as GHSA-ffgq-vm8w-4m65.