CVE-2021-4256 ctrlo lenio index.tt cross site scripting
Remote attackers can inject malicious scripts via task name fields in the Lenio web application, potentially compromising user sessions.
- 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-2021-4256?
CVE-2021-4256 is a low-severity cross-site scripting vulnerability in ctrlo lenio, published on 18 Dec 2022. 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 vulnerability was found in ctrlo lenio. It has been classified as problematic. This affects an unknown part of the file views/index.tt. The manipulation of the argument task.name/task.site.org.name leads to cross site scripting. It is possible to initiate the attack remotely. The name of the patch is e1646d5cd0a2fbab9eb505196dd2ca1c9e4cdd97. It is recommended to apply a patch to fix this issue. The identifier VDB-216213 was assigned to this vulnerability.
Which versions are affected by CVE-2021-4256?
It affects 1 product.
Products include Ctrlo Lenio.
How do I fix CVE-2021-4256?
No fix has been published for CVE-2021-4256 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-2021-4256 being exploited?
There is no known exploitation of CVE-2021-4256 in the wild and no public exploit code.
Other vulnerabilities in ctrlo lenio
Sources
Also known as GHSA-p6j6-2jvf-j7v5.