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GoogleOSV:PYSEC-2020-62HistoryDec 03, 2020 - 5:15 p.m.
PYSEC-2020-62
2020-12-0317:15:00
Google
osv.dev
15
xss
vulnerability
python-lxml
clean module
remote attacker
html
js
EPSS
0.004
Percentile
73.0%
A XSS vulnerability was discovered in python-lxml’s clean module. The module’s parser didn’t properly imitate browsers, which caused different behaviors between the sanitizer and the user’s page. A remote attacker could exploit this flaw to run arbitrary HTML/JS code.
References
advisory.checkmarx.net/advisory/CX-2020-4286
bugzilla.redhat.com/show_bug.cgi?id=1901633
github.com/advisories/GHSA-pgww-xf46-h92r
lists.debian.org/debian-lts-announce/2020/12/msg00028.html
lists.fedoraproject.org/archives/list/[email protected]/message/JKG67GPGTV23KADT4D4GK4RMHSO4CIQL/
lists.fedoraproject.org/archives/list/[email protected]/message/TMHVKRUT22LVWNL3TB7HPSDHJT74Q3JK/
www.debian.org/security/2020/dsa-4810
Related
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