CVE-2022-31103
High
Description
lettersanitizer is a DOM-based HTML email sanitizer for in-browser email rendering. All versions of lettersanitizer below 1.0.2 are affected by a denial of service issue when processing a CSS at-rule `@keyframes`. This package is depended on by [react-letter](https://github.com/mat-sz/react-letter), therefore everyone using react-letter is also at risk. The problem has been patched in version 1.0.2.
SeverityHigh
CVSS7.5
Exploit probability—
ProductLettersanitizer
PublishedJun 27, 2022
First seenJun 27, 2022
Weakness typeCWE-754CWE-754
How to fix
Update
- lettersanitizer_project lettersanitizer1.0.2 or later
- lettersanitizer1.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| lettersanitizer_project lettersanitizer | v < 1.0.2 | 1.0.2 |
| lettersanitizernpm | v < 1.0.2 | 1.0.2 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.