Prototype pollution in jQuery Sparkle
Priority MEDIUM 41CWE-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.
Summary
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-sparkle 1.5.2-beta allows a malicious user to inject properties into Object.prototype.
Why it matters now
EPSS 0.01409 72nd 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | jQuery Sparkle | 1.5.2-beta | — | No fix listed | CNA |
- jQuery Sparkle Vendor— Affected 1.5.2-beta Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jquery-sparkle_project:jquery-sparkle:1.5.2:beta:*:*:*:*:*:* | 1.5.2 beta | Vulnerable | Jquery-sparkle Project |
- cpe:2.3:a:jquery-sparkle_project:jquery-sparkle:1.5.2:beta:*:*:*:*:*:* Versions 1.5.2 beta Vulnerable ·Jquery-sparkle Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20084
- 2026-10-03 Alias added: GHSA-jvjp-w9hw-x66g
References
Sources
- CVE-2021-20084 · CVE Program
- CVE-2021-20084 · NVD
- FIRST EPSS
- GHSA-jvjp-w9hw-x66g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences