CVE-2021-33295

Name: CVE-2021-33295
Creator: NVD / NIST
Published: 2022-06-16T21:15:07.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2021-33295 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.79%

51.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Joplin Project	Joplin	< 1.8.5

References

https://github.com/laurent22/joplin/commit/9c20d5947d1fa4678a8b640792ff3d31224f0adfPatch, Third Party Advisory
https://github.com/laurent22/joplin/releases/tag/v1.8.5Release Notes, Third Party Advisory
https://the-it-wonders.blogspot.com/2021/05/joplin-app-desktop-version-vulnerable.htmlExploit, Third Party Advisory
https://github.com/laurent22/joplin/commit/9c20d5947d1fa4678a8b640792ff3d31224f0adfPatch, Third Party Advisory
https://github.com/laurent22/joplin/releases/tag/v1.8.5Release Notes, Third Party Advisory
https://the-it-wonders.blogspot.com/2021/05/joplin-app-desktop-version-vulnerable.htmlExploit, Third Party Advisory

Timeline

Published: Jun 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33295?

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.

How severe is CVE-2021-33295?

CVE-2021-33295 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33295?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33295?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST