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CVE
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CVE-2023-26487Date: (C)2023-03-07   (M)2023-11-13


Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs.`lassoAppend' function accepts 3 arguments and internally invokes `push` function on the 1st argument specifying array consisting of 2nd and 3rd arguments as `push` call argument. The type of the 1st argument is supposed to be an array, but it's not enforced. This makes it possible to specify any object with a `push` function as the 1st argument, `push` function can be set to any function that can be access via `event.view` (no all such functions can be exploited due to invalid context or signature, but some can, e.g. `console.log`). The issue is that`lassoAppend` doesn't enforce proper types of its arguments. This issue opens various XSS vectors, but exact impact and severity depends on the environment (e.g. Core JS `setImmediate` polyfill basically allows `eval`-like functionality). This issue was patched in 5.23.0.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.1CVSS Score :
Exploit Score: 2.8Exploit Score:
Impact Score: 2.7Impact Score:
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector:
Attack Complexity: LOWAccess Complexity:
Privileges Required: NONEAuthentication:
User Interaction: REQUIREDConfidentiality:
Scope: CHANGEDIntegrity:
Confidentiality: LOWAvailability:
Integrity: LOW 
Availability: NONE 
  
Reference:
https://github.com/vega/vega/commit/01adb034f24727d3bb321bbbb6696a7f4cd91689
https://github.com/vega/vega/releases/tag/v5.23.0
https://github.com/vega/vega/security/advisories/GHSA-w5m3-xh75-mp55

CWE    1
CWE-79

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