Greenbone Security Assistant (GSA) before 8.0.2 and Greenbone OS (GOS) before 5.0.10 allow XSS during 404 URL handling in gsad.
https://github.com/greenbone/gsa/pull/1603
https://github.com/greenbone/gsa/blob/master/CHANGELOG.md#802---2020-05-13
https://github.com/greenbone/gsa/issues/1601
Source: Mitre, NVD
Published: 2021-06-21
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00307