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CVE-2018-15712

45
FAUCET Score

CVE-2018-15712 describes a reflected cross-site scripting (XSS) vulnerability in Nagios XI version 5.5.6, specifically within the api_tool.php script via the 'host' parameter. This medium-severity flaw (CVSS 6.1) allows remote, unauthenticated attackers to execute malicious scripts in a victim's browser, potentially leading to information disclosure or limited data manipulation, requiring user interaction for successful exploitation. While the vulnerability has a relatively high FAUCET Risk Score, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.5.6CPE matchmatch criteria
cpe:2.3:a:nagios:nagios_xi:5.5.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
48.55%
Probability of exploitation in next 30 days
EPSS Percentile
98.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.4855 is in the 99th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

dogukanurkervendor investigatingvia llm_extracted
posthogvendor investigatingvia llm_extracted
qlikvendor investigatingvia llm_extracted

Vendor Advisories (3)

dogukanurkerllm-dogukanurker-870a9e7eabc79aa0HIGH

[R2] Nagios XI Multiple Vulnerabilities

Nov 13, 2018
qlikllm-qlik-755ce6d1011394b1HIGH

[R2] Nagios XI Multiple Vulnerabilities

Nov 13, 2018
posthogllm-posthog-f5f4a45be457c255HIGH

[R2] Nagios XI Multiple Vulnerabilities

Nov 13, 2018

References

tenable.com / security/research/tra-2018-37
ExploitThird Party Advisory