Prototype Pollution in Backdropcms Backdrop
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 e…
Vulnerability class: Prototype Pollution
EPSS: 0.872 (99.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Backdropcms Backdrop
- Drupal
- Joomla Joomla\!
- Jquery
- Juniper Junos — versions 21.2
- Netapp Oncommand_system_manager
- Netapp Snapcenter
- Oracle Agile_product_lifecycle_management_for_process — versions 6.1, 6.2.0.0, 6.2.1.0
- Oracle Application_express
- Oracle Application_service_level_management — versions 13.2.0.0, 13.3.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
- chrisneagu/FTC-Skystone-Dark-Angels-Romania-2020
- DanielRuf/snyk-js-jquery-174006
- DanielRuf/snyk-js-jquery-565129
- bitnesswise/jquery-prototype-pollution-fix
- isacaya/CVE-2019-11358
- Snorlyd/https-nj.gov---CVE-2019-11358
- 10793voltrons/Voltrons2023-2024
- 10793voltrons/Voltrons2024-2025
- 10793voltrons/Voltrons_
- 11177/goal
References
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- cve@mitre.org (mailing-list, Issue Tracking)
- cve@mitre.org (mailing-list, Issue Tracking)
- cve@mitre.org (mailing-list, Issue Tracking)
- cve@mitre.org (mailing-list, Issue Tracking)
- cve@mitre.org (mailing-list, Issue Tracking)
Frequently asked questions
- What is CVE-2019-11358?
- CVE-2019-11358 is a medium-severity vulnerability in Backdropcms Backdrop, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 6.1/10. Published 2019-04-20.
- How severe is CVE-2019-11358?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-11358 known to be exploited?
- 6865 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.