GHSA-55x5-fj6c-h6m8

Source
https://github.com/advisories/GHSA-55x5-fj6c-h6m8
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/12/GHSA-55x5-fj6c-h6m8/GHSA-55x5-fj6c-h6m8.json
Aliases
Published
2021-12-13T18:14:36Z
Modified
2024-02-16T08:23:04.061539Z
Summary
lxml's HTML Cleaner allows crafted and SVG embedded scripts to pass through
Details

Impact

The HTML Cleaner in lxml.html lets certain crafted script content pass through, as well as script content in SVG files embedded using data URIs.

Users that employ the HTML cleaner in a security relevant context should upgrade to lxml 4.6.5.

Patches

The issue has been resolved in lxml 4.6.5.

Workarounds

None.

References

The issues are tracked under the report IDs GHSL-2021-1037 and GHSL-2021-1038.

References

Affected packages

PyPI / lxml

Package

Name
lxml

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
4.6.5

Affected versions

1.*

1.3.2
1.3.3
1.3.4
1.3.5
1.3.6

2.*

2.0
2.0.4
2.0.5
2.0.6
2.0.7
2.0.8
2.0.9
2.0.10
2.0.11
2.1
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2.3.6

3.*

3.0
3.0.2
3.1.0
3.1.1
3.1.2
3.2.0
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.3.0
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.4.0
3.4.1
3.4.2
3.4.3
3.4.4
3.5.0
3.6.0
3.6.1
3.6.2
3.6.3
3.6.4
3.7.0
3.7.1
3.7.2
3.7.3
3.8.0

4.*

4.0.0
4.1.0
4.1.1
4.2.0
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.3.0
4.3.2
4.3.3
4.3.4
4.3.5
4.4.0
4.4.1
4.4.2
4.4.3
4.5.0
4.5.1
4.5.2
4.6.0
4.6.1
4.6.2
4.6.3
4.6.4