What’s Vulnerable › Vulnerabilities

CVE-2025-26395: SolarWinds SWOSH DOM-based reflective XSS Vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-10 · updated 2026-06-17
• Weakness: CWE-79

Description

SolarWinds Observability Self-Hosted was susceptible to a cross-site scripting (XSS) vulnerability due to an unsanitized field in the URL. The attack requires authentication using an administrator-level account and user interaction is required.

Affected products

• SolarWinds Observability Self-Hosted: before 2025.2 — fixed in 2025.2

How to fix

Upgrade to a fixed version: SolarWinds Observability Self-Hosted 2025.2. Check the vendor advisory for mitigations.

References

• https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2025-2_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26395

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