Medium (5.4) in quivr quivr. EPSS 0.3% chance of exploitation in the next 30 days.
A stored cross-site scripting (XSS) vulnerability exists in the 'Upload Knowledge' feature of stangirard/quivr, affecting the latest version. Users can upload files via URL, which allows the insertion of malicious JavaScript payloads. These payloads are stored on the server and executed whenever any user clicks on a link containing the payload, leading to potential data theft, session hijacking, and reputation damage.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)