CVE-2024-40643

Joplin vulnerability

9.6 CRITICALEPSS 0.79%

Published9 Sept 2024

Description

Joplin is a free, open source note taking and to-do application. Joplin fails to take into account that "<" followed by a non letter character will not be considered html. As such it is possible to do an XSS by putting an "illegal" tag within a tag.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Joplin< 3.0.15

Remediation

Fixed in

Joplin≥ 3.0.15

Frequently asked

Is CVE-2024-40643 being actively exploited?

CVE-2024-40643 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.79%.

How severe is CVE-2024-40643?

CVE-2024-40643 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.79% probability of exploitation.

Which products are affected by CVE-2024-40643?

Affected products include Joplin.

How do I fix CVE-2024-40643?

Upgrade affected software to a fixed version, for example Joplin 3.0.15 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-40643 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation works Book a demo

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.