CVE-2019-8939 Cross-site scripting in n/a
An attacker can inject malicious scripts into the Tautulli history page via a crafted Plex username, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-8939?
CVE-2019-8939 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Feb 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
data/interfaces/default/history.html in Tautulli 2.1.26 has XSS via a crafted Plex username that is mishandled when constructing the History page.
Weakness: CWE-79
Which versions are affected by CVE-2019-8939?
It affects 1 product.
Products include Tautulli Tautulli.
How do I fix CVE-2019-8939?
No fix has been published for CVE-2019-8939 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-2019-8939 being exploited?
There is no known exploitation of CVE-2019-8939 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2025-58762 Tautulli vulnerable to Authenticated Remote Code Execution via write primitive and `Script` notification agent
- CVE-2026-31831 Tautulli: Unauthenticated Path Traversal in `/newsletter/image/images` endpoint
- CVE-2025-58760 Tautulli vulnerable to Unauthenticated Path Traversal in `/image` endpoint
- CVE-2025-58761 Tautulli vulnerable to Unauthenticated Path Traversal in `real_pms_image_proxy`
- CVE-2025-58763 Tautulli vulnerable to Authenticated Remote Code Execution via Command Injection
Sources
Also known as GHSA-7gxp-888w-8h8j.