What’s Vulnerable › Vulnerabilities

CVE-2019-25047

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-21 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• Greenbone OS: before 5.0.10 — fixed in 5.0.10
• Greenbone Security Assistant: before 8.0.2 — fixed in 8.0.2

How to fix

Upgrade to a fixed version: Greenbone OS 5.0.10; Greenbone Security Assistant 8.0.2. Check the vendor advisory for mitigations.

References

• https://github.com/greenbone/gsa/blob/master/CHANGELOG.md#802---2020-05-13
• https://github.com/greenbone/gsa/issues/1601
• 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
• https://github.com/greenbone/gsa/pull/1603

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