CVE-2023-25811 Persistent Cross site scripting (XSS) in Uptime Kuma
Attackers can inject persistent scripts via the name parameter in Uptime Kuma, potentially compromising user sessions and data.
- 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
- None listed
What is CVE-2023-25811?
CVE-2023-25811 is a medium-severity cross-site scripting vulnerability in louislam uptime-kuma, published on 21 Feb 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Uptime Kuma is a self-hosted monitoring tool. In versions prior to 1.20.0 the Uptime Kuma `name` parameter allows a persistent XSS attack. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2023-25811?
It affects 1 product.
Products include Uptime-Kuma Project Uptime-Kuma.
How do I fix CVE-2023-25811?
No fix has been published for CVE-2023-25811 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-2023-25811 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-25811 exists.
Other vulnerabilities in louislam uptime-kuma
- CVE-2023-36821 Uptime Kuma vulnerable to authenticated remote code execution via malicious plugin installation
- CVE-2023-36822 Uptime Kuma authenticated path traversal via plugin repository name may lead to unavailability or data loss
- CVE-2023-25810 Persistent Cross site scripting (XSS) through description in status page in Uptime Kuma
Sources
Also known as GHSA-553g-fcpf-m3wp.