CVE-2022-31094 Cross site scripting vulnerability in ScratchTools
Attackers can execute arbitrary JavaScript and take over user accounts via malicious project titles in the ScratchTools browser extension.
- 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-2022-31094?
CVE-2022-31094 is a high-severity cross-site scripting vulnerability in STForScratch ScratchTools, published on 27 Jun 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
ScratchTools is a web extension designed to make interacting with the Scratch programming language community (Scratching) easier. In affected versions anybody who uses the Recently Viewed Projects feature is vulnerable to having their account taken over if they view a project that tries to. The issue is that if a user visits a project that includes Javascript in the title, then when the Recently Viewed Projects feature displays it, it could run the Javascript. This issue has been addressed in the 2.5.2 release. Users having issues scratching should open an issue in the project issue tracker https://github.com/STForScratch/ScratchTools/
Weakness: CWE-79
Which versions are affected by CVE-2022-31094?
It affects 1 product.
Products include Scratchstatus Scratchtools.
How do I fix CVE-2022-31094?
No fix has been published for CVE-2022-31094 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-2022-31094 being exploited?
There is no known exploitation of CVE-2022-31094 in the wild and no public exploit code.
Sources
Also known as GHSA-6r45-jjw6-q39x.