Medium severity4.6NVD Advisory· Published Jun 22, 2020· Updated Jun 17, 2026
CVE-2020-4070
CVE-2020-4070
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.
AI Insight
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Affected products
1- World Wide Web Consortium (W3C)/CSS Validatorv5Range: <= 54d68a1
Patches
Vulnerability mechanics
References
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