CVE-2019-20139 json
In Nagios XI 5.6.9, XSS exists via the nocscreenapi.php host, hostgroup, or servicegroup parameter, or the schedulereport.php hour or frequ…
published 2019-12-30 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10695
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 26.1%
- EPSS 26.1% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
In Nagios XI 5.6.9, XSS exists via the nocscreenapi.php host, hostgroup, or servicegroup parameter, or the schedulereport.php hour or frequency parameter. Any authenticated user can attack the admin user.
Exploit prediction
26.11% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- code610.blogspot.com https://code610.blogspot.com/2019/12/multiple-xss-bugs-in-nagios-569.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/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 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
code610.blogspot.com
/2019/12/multiple-xss-bugs-in-nagios-569.html
exploit, third-party-advisory
Sources
- CVE List CVE-2019-20139
- NVD CVE-2019-20139
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.