GHSA-c39w-3pjx-qc7m Leantime allows Stored Cross-Site Scripting (XSS)
Low-privileged users can inject XSS via API key names, triggering admin actions upon page visit, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is GHSA-c39w-3pjx-qc7m?
GHSA-c39w-3pjx-qc7m is a cross-site scripting vulnerability in leantime/leantime, published on 21 Feb 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Description
Leantime allows stored cross-site scripting (XSS) in the API key name while generating the API key.
Impact
Any low privileged user like manager, or editor, can create an API key with XSS payload. When admin will visit the Company page, the XSS will automatically get triggerred leading to the unauthorized action performed from the ADMIN account. Like, removing any user, or adding someone else as high privilege, and many more.
Which versions are affected by GHSA-c39w-3pjx-qc7m?
2 open source packages ship an affected version, including leantime/leantime.
| Package | Affected | Fixed in |
|---|---|---|
leantime/leantime Packagist | All versions | 3.3 |
leantime/leantime Packagist | All versions | 3.3 |
How do I fix GHSA-c39w-3pjx-qc7m?
Upgrade leantime/leantime to 3.3 or later.
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 GHSA-c39w-3pjx-qc7m being exploited?
There is no known exploitation of GHSA-c39w-3pjx-qc7m in the wild and no public exploit code.