Skip to main content
MEDIUM

CVE-2019-11358

CVSS v3

6.1

MEDIUM

EPSS Score

86.8 %

exploit probability, as of 2026-10-20

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Get an alert for each new CVE published for jquery.

Set up CVE WatchFree account · no credit card

Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • djangoPyPIfrom 2.2a1 · fixed in 2.2.2
  • drupal/corePackagistfrom 8.0.0 · fixed in 8.5.15
  • jquerynpmfrom 1.1.4 · fixed in 3.4.0
  • jQueryNuGetfrom 1.1.4 · fixed in 3.4.0
  • jquery-railsRubyGemsall versions · fixed in 4.3.4
  • maximebf/debugbarPackagistall versions · fixed in 1.19.0
  • org.webjars.npm:jqueryMavenfrom 1.1.4 · fixed in 3.4.0
  • custodiaAlmaLinux:8all versions · fixed in 0.6.0-3.module_el8.6.0+2881+2f24dc92and 1 other package

6 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-11358 Red Hat Product Security541 products fixed · 238 known affected

    jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection

    jquery as a component of Red Hat 3scale API Management Platform 2 · ipa-admintools as a component of Red Hat Enterprise Linux 6 · ipa-client as a component of Red Hat Enterprise Linux 6

  • RHSA-2023:1043 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: Red Hat Single Sign-On 7.6.2 security update on RHEL 7

  • RHSA-2023:1049 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat Single Sign-On 7.6.2 security update

  • RHSA-2023:1047 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: Red Hat Single Sign-On 7.6.2 for OpenShift image security and enhancement update

  • RHSA-2023:1045 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: Red Hat Single Sign-On 7.6.2 security update on RHEL 9

  • RHSA-2023:1044 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: Red Hat Single Sign-On 7.6.2 security update on RHEL 8

20 more advisories

Full record on NVD

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.

Technical details

Published
2019-04-20
Exploit-DB
EDB-52141

Frequently asked questions

What is CVE-2019-11358?

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.

Is CVE-2019-11358 actively exploited?

Active exploitation of CVE-2019-11358 has not been confirmed. Its EPSS score was 86.8% on 2026-10-20, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-11358?

CVE-2019-11358 has a CVSS v3 base score of 6.1 (MEDIUM severity).

Running jquery? Hear about its next vulnerability

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Get alerts for this productCISA KEV additions, October 2026Search CVEs

Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database