CVE-2020-29240 Cross-site scripting in n/a
An attacker can inject XSS payloads into the URL field, triggering execution when an admin views the Pages Overview section.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-29240?
CVE-2020-29240 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Dec 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Lepton-CMS 4.7.0 is affected by cross-site scripting (XSS). An attacker can inject the XSS payload in the URL field of the admin page and each time an admin visits the Menu-Pages-Pages Overview section, the XSS will be triggered.
Weakness: CWE-79
Which versions are affected by CVE-2020-29240?
It affects 1 product.
Products include Lepton-Cms Leptoncms.
How do I fix CVE-2020-29240?
No fix has been published for CVE-2020-29240 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-2020-29240 being exploited?
There is no known exploitation of CVE-2020-29240 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-gx4g-83m8-7hhx.