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@huntrdevCVE-2021-3768

HistorySep 06, 2021 - 12:15 p.m.

CVE-2021-3768

2021-09-0612:15:08

CWE-79

@huntrdev

web.nvd.nist.gov

bookstack

vulnerability

cve-2021-3768

nvd

security

xss

web page generation

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

21.4%

JSON

bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)

Affected configurations

Nvd

Node

bookstackappbookstackRange<21.08.2

VendorProductVersionCPE
bookstackappbookstack*cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
bookstackapp	bookstack	*	cpe:2.3:a:bookstackapp:bookstack::::::::

CNA Affected

[
  {
    "product": "bookstackapp/bookstack",
    "vendor": "bookstackapp",
    "versions": [
      {
        "lessThan": "21.08.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/bookstackapp/bookstack/commit/5e6092aaf8fd420202016038286554860bf8ea64

huntr.dev/bounties/64a0229f-ff5e-4c64-b83e-9bfc0698a78e

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

21.4%

JSON

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