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CVE-2026-55650— Outerbase Studio: Stored XSS in Text Widget Leads to Authentication Token Exposure

Quick assessment

Affected
outerbase studio
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.

Outerbase Studio 是一款轻量级的基于浏览器的数据库图形界面（GUI），支持 PostgreSQL、MySQL 和 SQLite。在 0.10.2 及更早版本中， 中的 通过 渲染了未净化的 Text Widget 内容，使得当该 widget 被显示时，注入的带有可执行脚本的事件处理器的标记（markup）得以执行。Outerbase Cloud 及其后端服务已于 2025 年停止服务，当前架构采用本地浏览器仪表盘存储，因此影响范围仅限于本地自引用型跨站脚本（Local Self-XSS）。在当前架

CVSS 4.4 · Medium

Possible ATT&CK Techniques 2 AI

T1189 · Drive-by Compromise T1189.002
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I. Basic Information for CVE-2026-55650

Vulnerability Information
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Vulnerability Title
Outerbase Studio: Stored XSS in Text Widget Leads to Authentication Token Exposure
Source: CVE Program / CVE List V5
Vulnerability Description
Outerbase Studio is a lightweight browser-based database GUI supporting PostgreSQL, MySQL, and SQLite. In version 0.10.2 and earlier, TextComponent in src/components/chart/index.tsx renders unsanitized Text Widget content through dangerouslySetInnerHTML, allowing injected markup with script-capable event handlers to execute when the widget is displayed. Outerbase Cloud and its backend services were discontinued in 2025, and the current architecture uses local browser dashboard storage, so the impact is limited to local self-XSS. Authentication token theft, account takeover, and backend database access are not applicable to the current architecture. No fixed release is available as of this review.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/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
outerbase studio <= 0.10.2 -

II. Public POCs for CVE-2026-55650

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III. Intelligence Information for CVE-2026-55650

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Vendor Advisories for CVE-2026-55650 (1)

IV. Related Vulnerabilities

Same product: studio
Same weakness: CWE-79

V. Comments for CVE-2026-55650

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