CVE-2020-21930 Cross-site scripting in n/a
Authenticated attackers can inject arbitrary scripts into the web_attr_2 field of Eyoucms, leading to stored XSS attacks.
- 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-2020-21930?
CVE-2020-21930 is a medium-severity cross-site scripting vulnerability in Eyoucms Eyoucms, published on 10 Aug 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A stored cross site scripting (XSS) vulnerability in the web_attr_2 field of Eyoucms v1.4.1 allows authenticated attackers to execute arbitrary web scripts or HTML.
Weakness: CWE-79
Which versions are affected by CVE-2020-21930?
It affects 1 product.
Products include Eyoucms Eyoucms.
How do I fix CVE-2020-21930?
No fix has been published for CVE-2020-21930 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-2020-21930 being exploited?
There is no known exploitation of CVE-2020-21930 in the wild and no public exploit code.
Other vulnerabilities in Eyoucms Eyoucms
Sources
Also known as GHSA-28wx-23q4-6c7c.