Prototype Pollution in Algolia Algoliasearch-Helper
CVE-2021-23433
The package algoliasearch-helper before 3.6.2 are vulnerable to Prototype Pollution due to use of the merge function in src/SearchParameters/index.jsSearchParameters._parseNumbers without any protection against prototype properties. Note that this vulnerability is only exploitable if the implementation allows users to define arbitrary search patterns.
Vulnerability class: Prototype Pollution
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: +0.001
Affected products
- Algolia Algoliasearch-Helper
- Algoliasearch-Helper — versions unspecified
Weakness classification (CWE)
References
- snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421 (Exploit, Third Party Advisory)
- github.com/algolia/algoliasearch-helper-js/blob/3.5.5/src/SearchParameters/inde… (Broken Link)
- github.com/algolia/algoliasearch-helper-js/commit/4ff542b70b92a6b81cce8b9255700… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-23433?
- CVE-2021-23433 is a medium-severity vulnerability in Algolia Algoliasearch-Helper, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 5.9/10. Published 2021-11-19.
- How severe is CVE-2021-23433?
- Medium severity. CVSS v3 base score is 5.9 out of 10.