CVE-2020-15930

MEDIUM

Joplin 1.0.190-1.0.245 - Cross-Site Scripting via HTML Embed Tag

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-15930. PoCs published by Ademar Nowasky Junior.

AI-analyzed exploit summary This exploit leverages an XSS vulnerability in Joplin's note rendering engine, combined with improper Node.js integration in child windows, to achieve arbitrary code execution. The PoC includes a payload for local execution and a remote attack vector via Joplin's unauthenticated API.

Description

An XSS issue in Joplin desktop 1.0.190 to 1.0.245 allows arbitrary code execution via a malicious HTML embed tag.

Exploits (1)

exploitdb WORKING POC
by Ademar Nowasky Junior · textwebappsmultiple
https://www.exploit-db.com/exploits/48837

This exploit leverages an XSS vulnerability in Joplin's note rendering engine, combined with improper Node.js integration in child windows, to achieve arbitrary code execution. The PoC includes a payload for local execution and a remote attack vector via Joplin's unauthenticated API.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Joplin 1.0.190 to 1.0.245
No auth needed
Prerequisites: Joplin API enabled for remote exploitation · Victim interaction to open malicious note
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory x_refsource_misc
https://github.com/laurent22/joplin/issues/3552
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/laurent22/joplin/releases/tag/v1.1.4

Scores

CVSS v3 6.1
EPSS 0.0408
EPSS Percentile 88.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (2)
joplin_project/joplin 1.0.190 - 1.0.245
npm/joplin 1.0.190 - 1.1.7npm
Published Sep 24, 2020
Tracked Since Feb 18, 2026