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CVE-2026-22867— LaSuite Doc affected by Stored XSS via Interlinking Block

Quick assessment

Affected
suitenumerique docs
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

La Suite Docs是La Suite numérique开源的一个可扩展的协作笔记、维基和文档平台。 La Suite Docs 3.8.0版本至4.3.0版本存在跨站脚本漏洞，该漏洞源于Interlinking功能未验证URL，可能导致存储型跨站脚本攻击。

CVSS 8.7 · High EPSS 0.30% · P21
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I. Basic Information for CVE-2026-22867

Vulnerability Information
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Vulnerability Title
LaSuite Doc affected by Stored XSS via Interlinking Block
Source: CVE Program / CVE List V5
Vulnerability Description
LaSuite Doc is a collaborative note taking, wiki and documentation platform. From 3.8.0 to 4.3.0, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Interlinking feature. When a user creates a link to another document within the editor, the URL of that link is not validated. An attacker with document editing privileges can inject a malicious javascript: URL that executes arbitrary code when other users click on the link. This vulnerability is fixed in 4.4.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/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
Vulnerability Title
La Suite Docs 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
La Suite Docs是La Suite numérique开源的一个可扩展的协作笔记、维基和文档平台。 La Suite Docs 3.8.0版本至4.3.0版本存在跨站脚本漏洞，该漏洞源于Interlinking功能未验证URL，可能导致存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
suitenumerique docs >= 3.8.0, < 4.4.0 -

II. Public POCs for CVE-2026-22867

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8417 chars
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III. Intelligence Information for CVE-2026-22867

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Vendor Advisories for CVE-2026-22867 (1)

IV. Related Vulnerabilities

Same product: docs
Same vendor: suitenumerique
Same weakness: CWE-79

V. Comments for CVE-2026-22867

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