CVE-2018-20171
CVE-2018-20171 is a medium-severity vulnerability in Nagios Nagios Xi with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Nagios Nagios Xi
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2018-20171?
- 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.
- How severe is CVE-2018-20171?
- CVE-2018-20171 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2018-20171 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20171?
- CVE-2018-20171 affects Nagios Nagios Xi. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20171?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-20171 published?
- CVE-2018-20171 was published on 2018-12-17 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
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