CVE-2019-12136 Cross-site scripting in n/a
Attackers can execute arbitrary scripts in Boostnote via crafted Mermaid labels, potentially compromising user data and application integrity.
- 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-2019-12136?
CVE-2019-12136 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 May 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
There is XSS in BoostIO Boostnote 0.11.15 via a label named mermaid, as demonstrated by a crafted SRC attribute of an IFRAME element.
Weakness: CWE-79
Which versions are affected by CVE-2019-12136?
It affects 1 product.
Products include Boostio Boostnote.
How do I fix CVE-2019-12136?
No fix has been published for CVE-2019-12136 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-2019-12136 being exploited?
There is no known exploitation of CVE-2019-12136 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2vgm-64p8-7fv2.