PyPI/lxml CVE-2021-28957: unknown, EPSS 4.04%
An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safe_attrs_only and forms arguments, the Cleaner class does not remove the formaction attrib
Action: Upgrade lxml to 4.6.3 or later.
pip install lxml==4.6.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.6.3 | - |
Fixed versions
| 4.6.3 |
Sources
- osv: PYSEC-2021-19
- https://bugs.launchpad.net/lxml/+bug/1888153
- https://github.com/lxml/lxml/pull/316/commits/10ec1b4e9f93713513a3264ed6158af22492f270
- https://lists.debian.org/debian-lts-announce/2021/03/msg00031.html
- https://github.com/lxml/lxml/commit/a5f9cb52079dc57477c460dbe6ba0f775e14a999
- https://www.debian.org/security/2021/dsa-4880
- https://github.com/advisories/GHSA-jq4v-f5q6-mjqq
CVE-2021-28957 · published · modified · JSON