CVE-2022-24762 Exposure of Sensitive Information to an Unauthorized Actor in sysend.js
Attackers can intercept cross-origin communications in sysend.js, exposing sensitive data to unauthorized actors.
- 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
- Available
What is CVE-2022-24762?
CVE-2022-24762 is a medium-severity vulnerability in jcubic sysend.js, published on 14 Mar 2022. 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
sysend.js is a library that allows a user to send messages between pages that are open in the same browser. Users that use cross-origin communication may have their communications intercepted. Impact is limited by the communication occurring in the same browser. This issue has been patched in sysend.js version 1.10.0. The only currently known workaround is to avoid sending communications that a user does not want to have intercepted via sysend messages.
Which versions are affected by CVE-2022-24762?
2 open source packages ship an affected version, including sysend. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
sysend npm | All versions | 1.10.0 |
sysend npm | All versions | 1.10.0 |
Products include Sysend.js Project Sysend.js.
How do I fix CVE-2022-24762?
Upgrade sysend to 1.10.0 or later.
Is CVE-2022-24762 being exploited?
There is no known exploitation of CVE-2022-24762 in the wild and no public exploit code.
Sources
Also known as GHSA-4vvg-x86p-mvqc.