Vulnerability Details : CVE-2023-0842

xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.

Published 2023-04-05 20:15:07

Updated 2023-04-12 19:32:39

Source Fluid Attacks

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-0842

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 14 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2023-0842

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	3.9	1.4	nvd@nist.gov
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

CWE ids for CVE-2023-0842

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-0842

https://github.com/Leonidas-from-XIV/node-xml2js/

GitHub - Leonidas-from-XIV/node-xml2js: XML to JavaScript object converter.
Product
https://fluidattacks.com/advisories/myers/

xml2js 0.4.23 - Prototype Pollution | Advisories | Fluid Attacks
Exploit;Third Party Advisory

Products affected by CVE-2023-0842

Xml2js Project » Xml2js » Version: 0.4.23
cpe:2.3:a:xml2js_project:xml2js:0.4.23:*:*:*:*:*:*:*
Matching versions