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Fencer Intel
medium 5.4

CVE-2018-15713 json

Nagios XI 5.5.6 allows persistent cross site scripting from remote authenticated attackers via the stored email address in admin/users.php.

published 7y ago modified 4mo ago also EUVD-2018-7583

cvss
5.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.2%
EPSS 7.2% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Nagios XI 5.5.6 allows persistent cross site scripting from remote authenticated attackers via the stored email address in admin/users.php.

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Exploit prediction

7.17% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • tenable.com https://www.tenable.com/security/research/tra-2018-37 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Nagios Nagios XI

Classification

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

References

Sources

Fencer Intel 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.