CVE-2020-4070

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.

CVSS v3 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

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

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b	Patch
https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:w3c:css_validator:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-06-22 16:15

Updated : 2020-06-30 13:39

NVD link : CVE-2020-4070

Mitre link : CVE-2020-4070

CVE.ORG link : CVE-2020-4070

JSON object : View

Products Affected

w3c

css_validator

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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