CVE-2020-26158 Cross-site scripting in n/a

Critical 9.6 Published Updated

Attackers can execute arbitrary code via XSS in note titles when the batch feature is enabled in Leanote Desktop.

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-2020-26158?

CVE-2020-26158 is a critical cross-site scripting vulnerability in n/a, published on 30 Sep 2020. 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

Leanote Desktop through 2.6.2 allows XSS because a note's title is mishandled when the batch feature is triggered. This leads to remote code execution because of Node integration.

Weakness: CWE-79

Which versions are affected by CVE-2020-26158?

It affects 1 product.

Products include Leanote Leanote.

How do I fix CVE-2020-26158?

No fix has been published for CVE-2020-26158 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-2020-26158 being exploited?

There is no known exploitation of CVE-2020-26158 in the wild and no public exploit code.

Sources

Also known as GHSA-v78j-8xxm-8wgf.

Is CVE-2020-26158 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free