CVE-2025-26391

SolarWinds Observability Self-Hosted XSS Vulnerability. The SolarWinds Platform was susceptible to a XSS vulnerability that affects user-created URL fields. This vulnerability requires authentication from a low-level account.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.4 MEDIUM
ADJACENT_NETWORK
LOW
LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
SolarWindsCNA
5.4 MEDIUM
ADJACENT_NETWORK
LOW
LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
VendorProductVersion
solarwindsobservability_self-hosted
𝑥
< 2025.4.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2025-4-1_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26391