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Fencer Vulns
medium 6.1

CVE-2018-16147 json

The data parameter of the /settings/api/router endpoint in Opsview Monitor before 5.3.1 and 5.4.x before 5.4.2 is vulnerable to Cross-Site…

published 2018-09-05 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8002

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

The data parameter of the /settings/api/router endpoint in Opsview Monitor before 5.3.1 and 5.4.x before 5.4.2 is vulnerable to Cross-Site Scripting.

Patch / fix

  • opsview opsview 5.3.1, 5.4.2

Exploit prediction

1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • seclists.org https://seclists.org/fulldisclosure/2018/Sep/3 referenced PoC, tagged "exploit" by a source, unverified
  • coresecurity.com https://www.coresecurity.com/advisories/opsview-monitor-multiple-vulnerabilities referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.