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SnykCVE-2022-25875

HistoryJul 12, 2022 - 7:15 p.m.

CVE-2022-25875

2022-07-1219:15:08

CWE-79

snyk

web.nvd.nist.gov

cve-2022-25875

svelte

xss

input sanitization

server-side rendering

ssr

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

34.5%

JSON

The package svelte before 3.49.0 are vulnerable to Cross-site Scripting (XSS) due to improper input sanitization and to improper escape of attributes when using objects during SSR (Server-Side Rendering). Exploiting this vulnerability is possible via objects with a custom toString() function.

Affected configurations

Nvd

Node

sveltesvelteRange<3.49.0node.js

VendorProductVersionCPE
sveltesvelte*cpe:2.3:a:svelte:svelte:*:*:*:*:*:node.js:*:*

Vendor	Product	Version	CPE
svelte	svelte	*	cpe:2.3:a:svelte:svelte::::::node.js::*

CNA Affected

[
  {
    "product": "svelte",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "3.49.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/sveltejs/svelte/commit/f8605d6acbf66976da9b4547f76e90e163899907

github.com/sveltejs/svelte/pull/7530%23issuecomment-1158575990

snyk.io/vuln/SNYK-JS-SVELTE-2931080

Social References

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

34.5%

JSON

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