CVE-2023-0289 Cross-site Scripting (XSS) - Stored in craigk5n/webcalendar
Stored Cross-Site Scripting in Web Calendar allows attackers to inject malicious scripts into web pages viewed by other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-0289?
CVE-2023-0289 is a high-severity cross-site scripting vulnerability in craigk5n/webcalendar, published on 13 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cross-site Scripting (XSS) - Stored in GitHub repository craigk5n/webcalendar prior to master.
Weakness: CWE-79
Which versions are affected by CVE-2023-0289?
It affects 1 product.
Products include Webcalendar Project Webcalendar.
How do I fix CVE-2023-0289?
No fix has been published for CVE-2023-0289 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-2023-0289 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0289 exists.
Other vulnerabilities in craigk5n/webcalendar
Sources
Also known as GHSA-8q3w-w8q9-w8gf.