CVE-2019-11358

MEDIUM
6.1
CVSS Score
Published: April 19, 2019 at 12:00 AM UTC
Updated: June 17, 2026 at 02:12 AM UTC
105 products affected across 11 vendorsDebian LinuxFedoraLeap

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Severity
MEDIUM6.1
Exploit prediction
EPSS 87%
SSVC
No known exploit

Description

jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Object.prototype.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

1.11.0 ≤ v < 1.11.91.12.0 ≤ v < 1.12.6
Affected range stops below 1.11.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.12.6, so it looks safe — our inference, not a vendor statement
7.0 ≤ v < 7.668.5.0 ≤ v < 8.5.158.6.0 ≤ v < 8.6.15
Affected range stops below 7.66, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.5.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.6.15, so it looks safe — our inference, not a vendor statement
3.0.0 ≤ v ≤ 3.9.4
v < 3.4.0
Affected range stops below 3.4.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v ≤ 3.1.3
All versions

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1321

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