VulnerabilityModified
CVE-2018-15712
Nagios XI 5.5.6 allows reflected cross site scripting from remote unauthenticated attackers via the host parameter in api_tool.php.
MEDIUM 6.1EPSS 48.6%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 48.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Nagios XI 5.5.6 allows reflected cross site scripting from remote unauthenticated attackers via the host parameter in api_tool.php.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 48.55% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- nagios/nagios xi
- Source
- vulnreport@tenable.com
EPSS moved from 20.9% on 21 September 2026 to 48.6% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://www.tenable.com/security/research/tra-2018-37Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2018-37Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.