CVE-2019-15603 Cross-Site Scripting in seeftl
Attackers can execute arbitrary scripts in victim browsers via malicious filenames in directory listings using the seefl package.
- 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-2019-15603?
CVE-2019-15603 is a medium-severity cross-site scripting vulnerability in seeftl, published on 6 Jan 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
The seefl package v0.1.1 is vulnerable to a stored Cross-Site Scripting (XSS) vulnerability via a malicious filename rendered in a directory listing.
Weakness: CWE-79
Which versions are affected by CVE-2019-15603?
2 open source packages ship an affected version, including seeftl. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
seeftl npm | All versions to 0.1.1 | None |
seeftl npm | All versions to 0.1.1 | None |
Products include Seeftl Project Seeftl.
How do I fix CVE-2019-15603?
No fix has been published for CVE-2019-15603 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-2019-15603 being exploited?
There is no known exploitation of CVE-2019-15603 in the wild and no public exploit code.
Sources
Also known as GHSA-4g46-5grc-wq49.