VulnerabilityModified
CVE-2018-20171
The url parameter of rss_dashlet/magpierss/scripts/magpie_simple.php is not filtered, resulting in an XSS vulnerability.
MEDIUM 6.1EPSS 1.59%
Does this matter?
Lower severity and a low EPSS score (1.59%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in Nagios XI before 5.5.8. The url parameter of rss_dashlet/magpierss/scripts/magpie_simple.php is not filtered, resulting in an XSS vulnerability.
- 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
- 1.59% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- nagios/nagios xi
- Source
- cve@mitre.org
EPSS 1.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.nagios.com/downloads/nagios-xi/change-log/Vendor Advisory
- https://www.seebug.org/vuldb/ssvid-97713Exploit, Third Party Advisory
- https://www.nagios.com/downloads/nagios-xi/change-log/Vendor Advisory
- https://www.seebug.org/vuldb/ssvid-97713Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.