Vulnerability · Published Sep 21, 2021 · Assigned by snyk
CVE-2021-23443Cross-site Scripting (XSS)
Medium 5.4
In plain English
A medium-severity security flaw in edge.js. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.9%top 40.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects the package edge.js before 5.3.2. A type confusion vulnerability can be used to bypass input sanitization when the input to be rendered is an array (instead of a string or a SafeValue), even if {{ }} are used.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | edge.js | 5.3.2 | GHSA-55r9-7mf8-m382 |
Affected products (as reported)
References
- https://snyk.io/vuln/SNYK-JS-EDGEJS-1579556 x_refsource_MISC
- https://github.com/edge-js/edge/commit/fa2c7fde86327aeae232752e89a6e37e2e469e21 x_refsource_MISC