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Obsidian CVE-2022-36450

CRITICAL
Improper Input Validation (CWE-20)
2022-07-25 cve@mitre.org
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL + active threat signals, no patch available.
No patch listed yet 19.6% exploitation probability (EPSS)

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AnalysisAI

Obsidian 0.14.x and 0.15.x before 0.15.5 allows obsidian://hook-get-address remote code execution because window.open is used without checking the URL. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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

This vulnerability is classified under CWE-20. Obsidian 0.14.x and 0.15.x before 0.15.5 allows obsidian://hook-get-address remote code execution because window.open is used without checking the URL. Affected products include: Obsidian. Version information: before 0.15.5.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Obsidian 0.14.x and 0.15.x before 0.15.5 allows obsidian://hook-get-address remote code execution because window.open is used without checking the URL.

Threat Intelligence Overview

EPSS Score
19.6%
Top 3% exploitable
Exploit
POC
Public exploit code exists
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC Yes
EPSS 19.6%
Patch available No
Active threat Yes
Deciding rule
CRITICAL + active threat signals, no patch available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

89
Low Medium High Critical
KEV: 0
EPSS: +20
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:obsidian:obsidian:*:*:*:*:*:*:*:*
CVE-2026-54618 CRITICAL POC
9.4 Sep 17

Unauthenticated OAuth handling in Obsidian Web MCP (obsidian-web-mcp) prior to 0.2.0 lets any remote caller who can reac

CVE-2021-42057 HIGH POC
7.8 Nov 04

Obsidian Dataview through 0.4.12-hotfix1 allows eval injection. Rated high severity (CVSS 7.8), this vulnerability is no

CVE-2023-27035 HIGH POC
7.5 May 01

An issue discovered in Obsidian Canvas 1.1.9 allows remote attackers to send desktop notifications, record user audio an

CVE-2023-2110 HIGH POC
7.1 Aug 19

Improper path handling in Obsidian desktop before 1.2.8 on Windows, Linux and macOS allows a crafted webpage to access l

CVE-2022-45130 MEDIUM POC
6.5 Nov 10

Plesk Obsidian allows a CSRF attack, e.g., via the /api/v2/cli/commands REST API to change an Admin password. Rated medi

CVE-2023-24044 MEDIUM POC
6.1 Jan 22

A Host Header Injection issue on the Login page of Plesk Obsidian through 18.0.49 allows attackers to redirect users to

CVE-2021-35976 MEDIUM POC
6.1 Sep 10

The feature to preview a website in Plesk Obsidian 18.0.0 through 18.0.32 on Linux is vulnerable to reflected XSS via th

CVE-2021-38148 CRITICAL
9.8 Aug 07

Obsidian before 0.12.12 does not require user confirmation for non-http/https URLs. Rated critical severity (CVSS 9.8),

CVE-2026-104077 HIGH
8.5 Oct 08

Arbitrary code execution in Obsidian Desktop builds prior to 1.14.0 is possible when a user opens an attacker-supplied M

CVE-2026-104078 HIGH
8.4 Oct 08

Arbitrary operating-system command execution on Obsidian Desktop builds prior to 1.14.0 is possible when a victim opens

CVE-2023-33244 HIGH
8.2 May 20

Obsidian before 1.2.2 allows calls to unintended APIs (for microphone access, camera access, and desktop notification) v

CVE-2020-11583 MEDIUM
6.1 Aug 03

A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote unauthenticated users to inject arbitrar

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