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cvelistSnykCVELIST:CVE-2023-5718
HistoryOct 23, 2023 - 2:02 p.m.

CVE-2023-5718

2023-10-2314:02:43
snyk
www.cve.org
vue.js devtools
screenshot data leak
postmessage api

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.9 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.1%

The Vue.js Devtools extension was found to leak screenshot data back to a malicious web page via the standard postMessage() API. By creating a malicious web page with an iFrame targeting a sensitive resource (i.e. a locally accessible file or sensitive website), and registering a listener on the web page, the extension sent messages back to the listener, containing the base64 encoded screenshot data of the sensitive resource.

CNA Affected

[
  {
    "product": "Vue.js devtools",
    "vendor": "Vue.js",
    "versions": [
      {
        "version": "< 6.5.1",
        "status": "affected"
      }
    ]
  }
]

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.9 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.1%

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