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cvelistGitHub_MCVELIST:CVE-2020-4070
HistoryJun 22, 2020 - 3:40 p.m.

CVE-2020-4070 Cross-site Scripting in CSS Validator

2020-06-2215:40:12
CWE-79
GitHub_M
www.cve.org
5

CVSS3

4.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

22.7%

In CSS Validator less than or equal to commit 54d68a1, there is a cross-site scripting vulnerability in handling URIs. A user would have to click on a specifically crafted validator link to trigger it. This has been patched in commit e5c09a9.

CNA Affected

[
  {
    "product": "CSS Validator",
    "vendor": "World Wide Web Consortium (W3C)",
    "versions": [
      {
        "status": "affected",
        "version": "<= 54d68a1"
      }
    ]
  }
]

CVSS3

4.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

22.7%

Related for CVELIST:CVE-2020-4070