SolarWinds Network Performance Monitor (Orion Platform 2018, NPM 12.3, NetPath 1.1.3) allows XSS by authenticated users via a crafted onerr…

published 2020-02-17 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4529

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

SolarWinds Network Performance Monitor (Orion Platform 2018, NPM 12.3, NetPath 1.1.3) allows XSS by authenticated users via a crafted onerror attribute of a VIDEO element in an action for an ALERT.

Exploit prediction

1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

esecforte.com https://www.esecforte.com/cve-2019-12954-solarwinds-network-performance-monitor-orion-platform-2018-npm-12-3-netpath-1-1-3-vulnerable-for-stored-xss/ 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

esecforte.com /cve-2019-12954-solarwinds-network-performance-monitor-orion-platform-2018-npm-12-3-netpath-1-1-3-vulnerable-f
exploit, third-party-advisory

Sources

CVE List CVE-2019-12954
NVD CVE-2019-12954

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.

Summary