Docs
CVE-2026-22867
HIGH
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAttacker with edit privileges crafts malicious javascript: URL
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ExploitEmbeds payload in document link via Interlinking feature
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ExecutionVictim clicks link in editor
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ImpactArbitrary JavaScript executes in victim's browser context
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Attacker must have document editing privileges on LaSuite Doc version 3.8.0–4.3.0. Victim must click the injected link. No input validation on interlinked document URLs. |
| Impact | CVSS 8.7 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: Required. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Stored XSS in LaSuite Doc versions 3.8.0 through 4.3.0 allows authenticated users with document editing privileges to inject malicious JavaScript URLs into the Interlinking feature, which execute when other users click the crafted links. This vulnerability affects the collaborative documentation platform's security model by enabling arbitrary code execution in victims' browsers. A patch is available in version 4.4.0.
Earlier versions of this analysis (1)
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. [CVSS 8.7 HIGH]
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 4.4.0.. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Docs. 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.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
2DescriptionGitHub Advisory
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.
Executive ViewAI
Organizations using LaSuite Doc face significant risk from CVE-2026-22867, a cross-site scripting vulnerability rated CVSS 8.7. Attackers could inject malicious scripts to steal user sessions, credentials, or perform actions on behalf of authenticated users. A patch is available and should be applied as part of regular vulnerability management.
Apply vendor patch. If immediate patching is not feasible: (1) Implement Content-Security-Policy headers; (2) Enable HttpOnly and SameSite cookie attributes; (3) Deploy WAF XSS/CSRF rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)GitHub Advisory
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Exploit-DB