Vulnerability CVE-2020-4070
Published: 2020-06-22

Description:
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.

Type:

CWE-79

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

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
W3C -> Css validator 

 References:
https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b
https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c
Copyright 2024, cxsecurity.com

 

Back to Top