What is CVE-2019-25047?

CVE-2019-25047 is a medium-severity vulnerability in Greenbone OS, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-21.

How severe is CVE-2019-25047?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Greenbone OS

CVE-2019-25047

Greenbone Security Assistant (GSA) before 8.0.2 and Greenbone OS (GOS) before 5.0.10 allow XSS during 404 URL handling in gsad.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-06-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/greenbone/gsa/issues/1601 (Exploit, Patch, Third Party Advisory)
github.com/greenbone/gsa/pull/1603 (Patch, Third Party Advisory)
github.com/greenbone/gsa/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2019-25047?: CVE-2019-25047 is a medium-severity vulnerability in Greenbone OS, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-21.
How severe is CVE-2019-25047?: Medium severity. CVSS v3 base score is 6.1 out of 10.