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CVE-2026-28330— SolarWinds Observability Self-Hosted Cross-Site Scripting Vulnerability

Quick assessment

Affected
SolarWinds SolarWinds Observability Self-Hosted
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SolarWinds Observability Self-Hosted 被发现存在存储型跨站脚本（XSS）漏洞。该漏洞允许已认证的攻击者注入恶意内容或 JavaScript 代码，这些代码会在其他访问受影响页面的已认证用户的浏览器中被显示或执行。

CVSS 4.6 · Medium
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I. Basic Information for CVE-2026-28330

Vulnerability Information
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Vulnerability Title
SolarWinds Observability Self-Hosted Cross-Site Scripting Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
SolarWinds Observability Self-Hosted was found to be affected by a stored Cross-Site Scripting (XSS) vulnerability that allows authenticated attackers to inject malicious content or JavaScript, which is displayed or executed in the browsers of other authenticated users who access the affected pages.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SolarWinds SolarWinds Observability Self-Hosted 2026.2.3 and all previous versions -

II. Public POCs for CVE-2026-28330

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III. Intelligence Information for CVE-2026-28330

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Other References for CVE-2026-28330 (2)

Same Patch Batch · SolarWinds · 2026-10-20 · 4 CVEs total

CVE-2026-28328 8.8 HIGH SolarWinds Observability Self-Hosted broken authorization schema
CVE-2026-28329 6.4 MEDIUM SolarWinds Observability Self-Hosted Server-Side Request Forgery (SSRF)
CVE-2026-28331 4.4 MEDIUM SolarWinds Patch Manager Sensitive Information Exposure Vulnerability

IV. Related Vulnerabilities

Same product: SolarWinds Observability Self-Hosted
Same vendor: SolarWinds
Same weakness: CWE-79

V. Comments for CVE-2026-28330

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