CVE-2023-26777 Cross-site scripting in n/a
Remote attackers can execute arbitrary commands via XSS in Uptime Kuma status page parameters, potentially compromising user accounts.
- 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-2023-26777?
CVE-2023-26777 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Apr 2023. 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
Cross Site Scripting vulnerability found in : louislam Uptime Kuma v.1.19.6 and before allows a remote attacker to execute arbitrary commands via the description, title, footer, and incident creation parameter of the status_page.js endpoint.
Weakness: CWE-79
Which versions are affected by CVE-2023-26777?
It affects 1 product.
Products include Uptime Kuma Project Uptime Kuma.
How do I fix CVE-2023-26777?
No fix has been published for CVE-2023-26777 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-2023-26777 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-26777 exists.
Sources
Also known as GHSA-629m-3vhg-jm6g.