CVE-2018-16861

4.8 mediumEPSS 0.9%

Medium (4.8) in theforeman foreman. EPSS 0.9% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) flaw was found in the foreman component of satellite. An attacker with privilege to create entries using the Hosts, Monitor, Infrastructure, or Administer Menus is able to execute a XSS attacks against other users, possibly leading to malicious code execution and extraction of the anti-CSRF token of higher privileged users. Foreman before 1.18.3, 1.19.1, and 1.20.0 are vulnerable.

Severity

CVSS 3.0

4.8 medium

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2018-12-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

theforeman:foreman

References

https://access.redhat.com/errata/RHSA-2019:1222
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16861
https://access.redhat.com/errata/RHSA-2019:1222
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16861

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