CVE-2022-24123 Cross-site scripting in n/a
Attackers can execute arbitrary code by tricking users into opening a malicious Markdown file with a mutation XSS payload in a Mermaid block.
- 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-2022-24123?
CVE-2022-24123 is a critical cross-site scripting vulnerability in n/a, published on 29 Jan 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
MarkText through 0.16.3 does not sanitize the input of a mermaid block before rendering. This could lead to Remote Code Execution via a .md file containing a mutation Cross-Site Scripting (XSS) payload.
Weakness: CWE-79
Which versions are affected by CVE-2022-24123?
It affects 1 product.
Products include Marktext Marktext.
How do I fix CVE-2022-24123?
No fix has been published for CVE-2022-24123 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-2022-24123 being exploited?
There is no known exploitation of CVE-2022-24123 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wfqr-2wcw-6gjv.