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 extend the native Object.prototype.
Vulnerability class: Prototype Pollution
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.868 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.868 · newest: 0.868 · change: 0.000
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
- www.drupal.org/sa-core-2019-006 (Patch, Third Party Advisory)
- www.synology.com/security/advisory/Synology_SA_19_19 (Third Party Advisory)
- www.debian.org/security/2019/dsa-4434 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Apr/32 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/108023 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- lists.apache.org/thread.html/08720ef215ee7ab3386c05a1a90a7d1c852bf0706f176a7816… (mailing-list, Issue Tracking)
- lists.apache.org/thread.html/b736d0784cf02f5a30fbb4c5902762a15ad6d47e17e2c5a17b… (mailing-list, Issue Tracking)
- lists.apache.org/thread.html/88fb0362fd40e5b605ea8149f63241537b8b6fb5bfa315391f… (mailing-list, Issue Tracking)
- lists.apache.org/thread.html/5928aa293e39d248266472210c50f176cac1535220f2486e6a… (mailing-list, Issue Tracking)
- lists.apache.org/thread.html/6097cdbd6f0a337bedd9bb5cc441b2d525ff002a96531de367… (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.