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TI-2021-03386 Aliases CVE-2021-20083GHSA-q9xg-h756-8689

Prototype pollution in jquery-plugin-query-object

Priority MEDIUM 45CWE-1321Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-plugin-query-object 2.2.3 allows a malicious user to inject properties into Object.prototype.

Why it matters now

EPSS 0.04186 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—jquery-plugin-query-object2.2.3—No fix listedCNA
—jquery-query-object (npm)up to 2.2.3—No fix listedGHSA-q9xg-h756-8689
  • jquery-plugin-query-object Vendor— Affected 2.2.3 Fixed in — No fix listed CNA
  • jquery-query-object (npm) Vendor— Affected up to 2.2.3 Fixed in — No fix listed GHSA-q9xg-h756-8689

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jquery-plugin-query-object_project:jquery-plugin-query-object:2.2.3:*:*:*:*:*:*:*2.2.3VulnerableJquery-plugin-query-object Project

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20083
  2. 2026-10-03 Alias added: GHSA-q9xg-h756-8689

References

Exploit 1

Advisory 4

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences