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JpcertCVE-2021-20727

HistoryMay 27, 2021 - 9:15 a.m.

CVE-2021-20727

2021-05-2709:15:07

CWE-79

jpcert

web.nvd.nist.gov

381

cve-2021-20727

zettlr

cross-site scripting

security vulnerability

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

34.7%

JSON

Cross-site scripting vulnerability in Zettlr from 0.20.0 to 1.8.8 allows an attacker to execute an arbitrary script by loading a file or code snippet containing an invalid iframe into Zettlr.

Affected configurations

Nvd

Vulners

Node

zettlrzettlrRange0.20.0–1.8.8

VendorProductVersionCPE
zettlrzettlr*cpe:2.3:a:zettlr:zettlr:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
zettlr	zettlr	*	cpe:2.3:a:zettlr:zettlr::::::::

CNA Affected

[
  {
    "product": "Zettlr",
    "vendor": "Hendrik Erz",
    "versions": [
      {
        "status": "affected",
        "version": "from 0.20.0 to 1.8.8"
      }
    ]
  }
]

References

github.com/Zettlr/Zettlr

jvn.jp/en/jp/JVN98239374/index.html

www.zettlr.com/

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

34.7%

JSON

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