Security readout for executives and security teams
Plain-English summary
CVE-2026-22867 is a stored cross-site scripting issue in LaSuite Doc. A user who can edit a document can create an internal link with an unsafe URL. If another user clicks it, attacker-controlled code can run in that user’s browser session. The vendor states it is fixed in version 4.4.0.
Executive priority
Prioritize remediation for collaborative environments with broad editing access. The issue can expose sensitive user data or alter user actions after a click, but it requires an authenticated editor and user interaction.
Technical view
LaSuite Doc versions 3.8.0 through before 4.4.0 do not validate URLs in the editor’s Interlinking feature. This permits stored XSS via a javascript: URL. CVSS is 8.7, with low attack complexity, low privileges required, user interaction required, changed scope, and high confidentiality and integrity impact.
Likely exposure
Exposure is limited to organizations running LaSuite Doc versions >=3.8.0 and <4.4.0, especially where many users have document editing privileges or share documents across teams.
Exploitation context
Sources do not report active exploitation, and this CVE is not listed as KEV in the provided data. Exploitation requires document editing privileges and a victim clicking the malicious interlink.
Researcher notes
The public record identifies CWE-79 and a fix in 4.4.0. The issue is specifically tied to URL validation in the Interlinking block. Avoid assuming broader editor XSS beyond the described vector unless validated against vendor code or advisory details.
Mitigation direction
- Upgrade LaSuite Doc to version 4.4.0 or later.
- If immediate upgrade is not possible, check vendor guidance for interim controls.
- Limit document editing privileges to trusted users until upgraded.
- Review shared documents for suspicious interlink URLs after remediation.
Validation and detection
- Inventory LaSuite Doc deployments and confirm running versions.
- Verify affected instances are not between 3.8.0 and 4.3.0.
- Confirm the 4.4.0 release or later is deployed.
- Review the vendor advisory and linked fixing commit for remediation details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-22867 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N2.35.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.7HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/suitenumerique/docs/security/advisories/GHSA-4rwv-ghwh-9rv6CVE reference · x_refsource_CONFIRM
- https://github.com/suitenumerique/docs/commit/e807237dbedbc189230296b81c3aeccc1c04fa77CVE reference · x_refsource_MISC
- https://github.com/suitenumerique/docs/releases/tag/v4.4.0CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.