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cve[email protected]CVE-2020-5810
HistoryDec 30, 2020 - 4:15 p.m.

CVE-2020-5810

2020-12-3016:15:12
CWE-79
web.nvd.nist.gov
17
2
cve-2020-5810
stored xss
umbraco cms
vulnerability
nvd
media upload
authentication

3.5 Low

CVSS2

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

5.4 Medium

CVSS3

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

5.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

24.9%

A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload.

Affected configurations

NVD
Node
umbracoumbraco_cmsRange8.9.1

CNA Affected

[
  {
    "product": "Umbraco CMS",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "<= 8.9.1 or current (unfixed)"
      }
    ]
  }
]

Social References

More

3.5 Low

CVSS2

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

5.4 Medium

CVSS3

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

5.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

24.9%

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