Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 56.0%
CVSS Severity
CVSS v3 Score 4.6
CVSS v2 Score 3.5
References
- https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b
- https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c
- https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b
- https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c
Products affected by CVE-2020-4070
-
cpe:2.3:a:w3c:css_validator:*