CVE-2021-37916 : Joplin before 2.0.9 allows XSS via button and form in the note body.

Joplin before 2.0.9 allows XSS via button and form in the note body.

Published 2021-08-03 00:15:09

Updated 2021-08-06 14:05:57

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2021-37916

Joplin Project » Joplin
Versions before (<) 2.0.9
cpe:2.3:a:joplin_project:joplin:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 29 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

https://github.com/laurent22/joplin/commit/feaecf765368f2c273bea3a9fa641ff0da7e6b26

Desktop, Mobile: Filter out form elements from note body to prevent p… · laurent22/joplin@feaecf7 · GitHub
Patch;Third Party Advisory
https://github.com/laurent22/joplin/releases/tag/v2.0.9

Release v2.0.9 · laurent22/joplin · GitHub
Release Notes;Third Party Advisory

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