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CVE

CVE-2021-43818

lxml is a library for processing XML and HTML in the Python language.
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CVE

CVE-2021-43818

lxml is a library for processing XML and HTML in the Python language.

lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, 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 to receive a patch. There are no known workarounds available.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.2
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N
C
H
U
0
-
C
H
U
7.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Related Resources

No items found.

References

https://github.com/lxml/lxml/commit/f2330237440df7e8f39c3ad1b1aa8852be3b27c0, https://github.com/lxml/lxml/commit/a3eacbc0dcf1de1c822ec29fb7d090a4b1712a9c#diff-59130575b4fb2932c957db2922977d7d89afb0b2085357db1a14615a2fcad776, https://github.com/lxml/lxml/security/advisories/GHSA-55x5-fj6c-h6m8, https://github.com/lxml/lxml/commit/12fa9669007180a7bb87d990c375cf91ca5b664a

Severity

7.1

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.1
EPSS Probability
0.05428%
EPSS Percentile
0.90368%
Introduced Version
0,2.0alpha1
Fix Available
12fa9669007180a7bb87d990c375cf91ca5b664a,a3eacbc0dcf1de1c822ec29fb7d090a4b1712a9c,4.6.5

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