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JpcertCVE-2021-20829

HistorySep 21, 2021 - 10:15 a.m.

CVE-2021-20829

2021-09-2110:15:07

CWE-79

jpcert

web.nvd.nist.gov

cve-2021-20829

cross-site scripting

vulnerability

growi

web browser security

tag sanitization

remote code execution

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

47.5%

JSON

Cross-site scripting vulnerability due to the inadequate tag sanitization in GROWI versions v4.2.19 and earlier allows remote attackers to execute an arbitrary script on the web browser of the user who accesses a specially crafted page.

Affected configurations

Nvd

Vulners

Node

weseekgrowiRange≤4.2.19

VendorProductVersionCPE
weseekgrowi*cpe:2.3:a:weseek:growi:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
weseek	growi	*	cpe:2.3:a:weseek:growi::::::::

CNA Affected

[
  {
    "product": "GROWI",
    "vendor": "WESEEK, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "versions v4.2.19 and earlier"
      }
    ]
  }
]

References

jvn.jp/en/vu/JVNVU94889258/index.html

weseek.co.jp/security/2021/09/17/vulnerability/growi-prevent-multiple-xss-addition/

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

47.5%

JSON

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