What is CVE-2023-33969?

CVE-2023-33969 is a medium-severity vulnerability in Kanboard, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2023-06-05.

How severe is CVE-2023-33969?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Kanboard

CVE-2023-33969

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (40.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Kanboard — versions < 1.2.30

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2023-33969?: CVE-2023-33969 is a medium-severity vulnerability in Kanboard, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2023-06-05.
How severe is CVE-2023-33969?: Medium severity. CVSS v3 base score is 6.4 out of 10.