CVE-2020-26885 Cross-site scripting in n/a
An attacker can execute arbitrary JavaScript in a victim's browser via a malicious URL in the 2sxc CMS plugin.
- 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-2020-26885?
CVE-2020-26885 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Jun 2021. 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
An issue was discovered in 2sic 2sxc before 11.22. A XSS vulnerability in the sxcver parameter of dnn/ui.html allows an attacker to craft a malicious URL that executes a JavaScript payload in a victim's browser.
Weakness: CWE-79
Which versions are affected by CVE-2020-26885?
It affects 1 product.
Products include 2sic 2sxc.
How do I fix CVE-2020-26885?
No fix has been published for CVE-2020-26885 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-2020-26885 being exploited?
There is no known exploitation of CVE-2020-26885 in the wild and no public exploit code.
Sources
Also known as GHSA-847r-gqjq-x7r2.