CVE-2023-33969

Public Exploit
Stored Cross site scripting in the Task External Link Functionality in Kanboard

Description

Kanboard is open source project management software that focuses on the Kanban methodology. A stored Cross site scripting (XSS) allows an attacker to execute arbitrary Javascript and any user who views the task containing the malicious code will be exposed to the XSS attack. Note: The default CSP header configuration blocks this javascript attack. This issue has been addressed in version 1.2.30. Users are advised to upgrade. Users unable to upgrade should ensure that they have a restrictive CSP header config.

Category

6.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Third-Party Advisory github.com
Affected: kanboard kanboard
Published at:
Updated at:

References

Link Tags
https://github.com/kanboard/kanboard/security/advisories/GHSA-8qvf-9847-gpc9 third party advisory exploit
https://github.com/kanboard/kanboard/commit/05f1d23d821152cd61536d3b09e522c0f7573e3c patch

Frequently Asked Questions

What is the severity of CVE-2023-33969?
CVE-2023-33969 has been scored as a medium severity vulnerability.
How to fix CVE-2023-33969?
To fix CVE-2023-33969, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-33969 being actively exploited in the wild?
It is possible that CVE-2023-33969 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-33969?
CVE-2023-33969 affects kanboard kanboard.
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