AZL-6808
See a problem?- Import Source
- https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6808.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/AZL-6808
- Upstream
- Published
- 2021-03-21T05:15:13Z
- Modified
- 2026-04-01T05:21:20.390226Z
- Severity
-
- 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
- Summary
- CVE-2021-28957 affecting package python-lxml for versions less than 4.8.0-1
- Details
-
An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safeattrsonly and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker could exploit this flaw to run arbitrary JS code on users who interact with incorrectly sanitized HTML. This issue is patched in lxml 4.6.3.
- References