Vulnerability · Published Jan 20, 2026 · Assigned by INCIBE
CVE-2025-41084Stored Cross-Site Scripting (XSS) in Sesame web application
Medium 5.1
In plain English
A medium-severity cross-site scripting in Sesame from SESAME LABS S.L. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SESAME LABS S.L | Sesame | all versions |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N