CVEvulnerability
CVE-2020-4070
5.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-06-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.6 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-79
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.
Affected configurations
• w3c css validator (<= 2020-01-19)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b Patch
- https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c Vendor Advisory
- https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b Patch
- https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c Vendor Advisory