CVE-2023-39521 Tuleap vulnerable to Cross-site Scripting on the success message of a kanban deletion
An attacker can execute arbitrary code in an administrator's browser by deleting a kanban with a malicious label, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-39521?
CVE-2023-39521 is a medium-severity cross-site scripting vulnerability in Enalean Tuleap, published on 24 Aug 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Tuleap is an open source suite to improve management of software developments and collaboration. In Tuleap Community Edition prior to version 14.11.99.28 and Tuleap Enterprise Edition prior to versions 14.10-6 and 14.11-3, content displayed in the "card fields" (visible in the kanban and PV2 apps) is not properly escaped. An agile dashboard administrator deleting a kanban with a malicious label can be forced to execute uncontrolled code. Tuleap Community Edition 14.11.99.28, Tuleap Enterprise Edition 14.10-6, and Tuleap Enterprise Edition 14.11-3 contain a fix for this issue.
Weakness: CWE-79
Which versions are affected by CVE-2023-39521?
It affects 1 product.
Products include Enalean Tuleap.
How do I fix CVE-2023-39521?
No fix has been published for CVE-2023-39521 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-39521 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-39521 exists.
Other vulnerabilities in Enalean Tuleap
Sources
Also known as GHSA-h9xc-w7qq-vpfc.