CVE-2020-4070
Last modified
CVE-2020-4070 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| W3c | Css Validator | <= 2020-01-19 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-4070?
How severe is CVE-2020-4070?
How do I fix CVE-2020-4070?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-4060In LoRa Basics Station before 2.0.4, there is a Use After Fr…5
- CVE-2020-4061In October from version 1.0.319 and before version 1.0.467, …5.4
- CVE-2020-4062In Conjur OSS Helm Chart before 2.0.0, a recently identified…9
- CVE-2020-4066In Limdu before 0.95, the trainBatch function has a command …7.2
- CVE-2020-4067In coturn before version 4.5.1.3, there is an issue whereby …7.5
- CVE-2020-4068In APNSwift 1.0.0, calling APNSwiftSigner.sign(digest:) is l…9.8
- CVE-2020-4071In django-basic-auth-ip-whitelist before 0.3.4, a potential …2.4
- CVE-2020-4072In generator-jhipster-kotlin version 1.6.0 log entries are c…5.3
- CVE-2020-4074In PrestaShop from version 1.5.0.0 and before version 1.7.6.…9.8
- CVE-2020-4075In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, …7.5
- CVE-2020-4076In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, …9
- CVE-2020-4077In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, …9.9
Are you affected by CVE-2020-4070?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST