CVE-2020-27176 Cross-site scripting in n/a
Mutation XSS in Mark Text allows remote code execution via source code mode HTML parsing.
- 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-2020-27176?
CVE-2020-27176 is a high-severity cross-site scripting vulnerability in n/a, published on 16 Oct 2020. 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
Mutation XSS exists in Mark Text through 0.16.2 that leads to Remote Code Execution. NOTE: this might be considered a duplicate of CVE-2020-26870; however, it can also be considered an issue in the design of the "source code mode" feature, which parses HTML even though HTML support is not one of the primary advertised roles of the product.
Weakness: CWE-79
Which versions are affected by CVE-2020-27176?
It affects 1 product.
Products include Marktext Marktext.
How do I fix CVE-2020-27176?
No fix has been published for CVE-2020-27176 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-2020-27176 being exploited?
There is no known exploitation of CVE-2020-27176 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-q367-49gp-hvp2.