CVE-2019-20204 Cross-site scripting in n/a
The Postie plugin for WordPress is vulnerable to Cross-Site Scripting via crafted SVG elements, allowing attackers to execute arbitrary scripts in user browsers.
- 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-2019-20204?
CVE-2019-20204 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Jan 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Postie plugin 1.9.40 for WordPress allows XSS, as demonstrated by a certain payload with jaVasCript:/* at the beginning and a crafted SVG element.
Weakness: CWE-79
Which versions are affected by CVE-2019-20204?
It affects 1 product.
Products include Postieplugin Postie.
How do I fix CVE-2019-20204?
No fix has been published for CVE-2019-20204 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-2019-20204 being exploited?
There is no known exploitation of CVE-2019-20204 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-57qh-3r5h-qf46.