TI-2021-12788 Aliases CVE-2021-33295 GHSA-phj8-2p6x-hq5r

Cross Site Scripting (XSS) vulnerability in Joplin Desktop App before 1.8.5 allows…

LOW 26CWE-79Published 2022-06-16 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Cross Site Scripting (XSS) vulnerability in Joplin Desktop App before 1.8.5 allows attackers to execute aribrary code due to improper sanitizing of html.

Why it matters now

EPSS 0.00866 58th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed joplin (npm): 1.8.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	joplin (npm)	before 1.8.5	1.8.5	Patch available	GHSA-phj8-2p6x-hq5r

— Vendor— Affected all versions Fixed in — No fix listed CNA
joplin (npm) Vendor— Affected before 1.8.5 Fixed in 1.8.5 Patch available GHSA-phj8-2p6x-hq5r

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:joplin_project:joplin::::::-::*	before 1.8.5	Vulnerable	laurent22

cpe:2.3:a:joplin_project:joplin:*:*:*:*:*:-:*:* Versions before 1.8.5 Vulnerable ·laurent22

Remediation

Fix · GHSA-phj8-2p6x-hq5r joplin (npm) Fixed in 1.8.5 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2021-33295
2026-10-03 Alias added: GHSA-phj8-2p6x-hq5r

References

Exploit 1

https://the-it-wonders.blogspot.com/2021/05/joplin-app-desktop-version-vulnerable.html

Patch 1

https://github.com/laurent22/joplin/commit/9c20d5947d1fa4678a8b640792ff3d31224f0adf

Advisory 2

Other 1

https://github.com/laurent22/joplin

TI-2023-24472 Arbitrary code execution on click of PDF links in Joplin CVSS 3.1CRITICAL 9.0
TI-2024-32950 Remote Code Execution on click of <a> Link in markdown preview CVSS 3.1CRITICAL 9.6
TI-2024-27054 Joplin has a parsing error leading to Cross-site Scripting (XSS) CVSS 3.1CRITICAL 9.7
TI-2025-17795 Cross-site Scripting (XSS) in Rich Text Editor allows arbitrary code execution in Joplin CVSS 3.1CRITICAL 9.6
TI-2025-19991 Privilege escalation in Joplin server via user patch endpoint CVSS 3.1HIGH 8.8
TI-2024-35730 Lack of validation on openExternal allows 1 click remote code execution in joplin CVSS 3.1HIGH 8.8

See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences