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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-28957

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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 67.2%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
References
Products affected by CVE-2021-28957
  • Lxml » Lxml » Version: 0.5
    cpe:2.3:a:lxml:lxml:0.5
  • Lxml » Lxml » Version: 0.5.1
    cpe:2.3:a:lxml:lxml:0.5.1
  • Lxml » Lxml » Version: 0.6
    cpe:2.3:a:lxml:lxml:0.6
  • Lxml » Lxml » Version: 0.7
    cpe:2.3:a:lxml:lxml:0.7
  • Lxml » Lxml » Version: 0.8
    cpe:2.3:a:lxml:lxml:0.8
  • Lxml » Lxml » Version: 0.9
    cpe:2.3:a:lxml:lxml:0.9
  • Lxml » Lxml » Version: 0.9.1
    cpe:2.3:a:lxml:lxml:0.9.1
  • Lxml » Lxml » Version: 0.9.2
    cpe:2.3:a:lxml:lxml:0.9.2
  • Lxml » Lxml » Version: 1.0
    cpe:2.3:a:lxml:lxml:1.0
  • Lxml » Lxml » Version: 1.0.1
    cpe:2.3:a:lxml:lxml:1.0.1
  • Lxml » Lxml » Version: 1.0.2
    cpe:2.3:a:lxml:lxml:1.0.2
  • Lxml » Lxml » Version: 1.0.3
    cpe:2.3:a:lxml:lxml:1.0.3
  • Lxml » Lxml » Version: 1.0.4
    cpe:2.3:a:lxml:lxml:1.0.4
  • Lxml » Lxml » Version: 1.1
    cpe:2.3:a:lxml:lxml:1.1
  • Lxml » Lxml » Version: 1.1.1
    cpe:2.3:a:lxml:lxml:1.1.1
  • Lxml » Lxml » Version: 1.1.2
    cpe:2.3:a:lxml:lxml:1.1.2
  • Lxml » Lxml » Version: 1.2
    cpe:2.3:a:lxml:lxml:1.2
  • Lxml » Lxml » Version: 1.2.1
    cpe:2.3:a:lxml:lxml:1.2.1
  • Lxml » Lxml » Version: 1.3
    cpe:2.3:a:lxml:lxml:1.3
  • Lxml » Lxml » Version: 1.3.1
    cpe:2.3:a:lxml:lxml:1.3.1
  • Lxml » Lxml » Version: 1.3.2
    cpe:2.3:a:lxml:lxml:1.3.2
  • Lxml » Lxml » Version: 1.3.3
    cpe:2.3:a:lxml:lxml:1.3.3
  • Lxml » Lxml » Version: 1.3.4
    cpe:2.3:a:lxml:lxml:1.3.4
  • Lxml » Lxml » Version: 1.3.5
    cpe:2.3:a:lxml:lxml:1.3.5
  • Lxml » Lxml » Version: 1.3.6
    cpe:2.3:a:lxml:lxml:1.3.6
  • Lxml » Lxml » Version: 2.0
    cpe:2.3:a:lxml:lxml:2.0
  • Lxml » Lxml » Version: 2.0.1
    cpe:2.3:a:lxml:lxml:2.0.1
  • Lxml » Lxml » Version: 2.0.10
    cpe:2.3:a:lxml:lxml:2.0.10
  • Lxml » Lxml » Version: 2.0.11
    cpe:2.3:a:lxml:lxml:2.0.11
  • Lxml » Lxml » Version: 2.0.2
    cpe:2.3:a:lxml:lxml:2.0.2
  • Lxml » Lxml » Version: 2.0.3
    cpe:2.3:a:lxml:lxml:2.0.3
  • Lxml » Lxml » Version: 2.0.4
    cpe:2.3:a:lxml:lxml:2.0.4
  • Lxml » Lxml » Version: 2.0.5
    cpe:2.3:a:lxml:lxml:2.0.5
  • Lxml » Lxml » Version: 2.0.6
    cpe:2.3:a:lxml:lxml:2.0.6
  • Lxml » Lxml » Version: 2.0.7
    cpe:2.3:a:lxml:lxml:2.0.7
  • Lxml » Lxml » Version: 2.0.8
    cpe:2.3:a:lxml:lxml:2.0.8
  • Lxml » Lxml » Version: 2.0.9
    cpe:2.3:a:lxml:lxml:2.0.9
  • Lxml » Lxml » Version: 2.1
    cpe:2.3:a:lxml:lxml:2.1
  • Lxml » Lxml » Version: 2.1.1
    cpe:2.3:a:lxml:lxml:2.1.1
  • Lxml » Lxml » Version: 2.1.2
    cpe:2.3:a:lxml:lxml:2.1.2
  • Lxml » Lxml » Version: 2.1.3
    cpe:2.3:a:lxml:lxml:2.1.3
  • Lxml » Lxml » Version: 2.1.4
    cpe:2.3:a:lxml:lxml:2.1.4
  • Lxml » Lxml » Version: 2.1.5
    cpe:2.3:a:lxml:lxml:2.1.5
  • Lxml » Lxml » Version: 2.2
    cpe:2.3:a:lxml:lxml:2.2
  • Lxml » Lxml » Version: 2.2.1
    cpe:2.3:a:lxml:lxml:2.2.1
  • Lxml » Lxml » Version: 2.2.2
    cpe:2.3:a:lxml:lxml:2.2.2
  • Lxml » Lxml » Version: 2.2.3
    cpe:2.3:a:lxml:lxml:2.2.3
  • Lxml » Lxml » Version: 2.2.4
    cpe:2.3:a:lxml:lxml:2.2.4
  • Lxml » Lxml » Version: 2.2.5
    cpe:2.3:a:lxml:lxml:2.2.5
  • Lxml » Lxml » Version: 2.2.6
    cpe:2.3:a:lxml:lxml:2.2.6
  • Lxml » Lxml » Version: 2.2.7
    cpe:2.3:a:lxml:lxml:2.2.7
  • Lxml » Lxml » Version: 2.2.8
    cpe:2.3:a:lxml:lxml:2.2.8
  • Lxml » Lxml » Version: 2.3
    cpe:2.3:a:lxml:lxml:2.3
  • Lxml » Lxml » Version: 2.3.1
    cpe:2.3:a:lxml:lxml:2.3.1
  • Lxml » Lxml » Version: 2.3.2
    cpe:2.3:a:lxml:lxml:2.3.2
  • Lxml » Lxml » Version: 2.3.3
    cpe:2.3:a:lxml:lxml:2.3.3
  • Lxml » Lxml » Version: 2.3.4
    cpe:2.3:a:lxml:lxml:2.3.4
  • Lxml » Lxml » Version: 2.3.5
    cpe:2.3:a:lxml:lxml:2.3.5
  • Lxml » Lxml » Version: 2.3.6
    cpe:2.3:a:lxml:lxml:2.3.6
  • Lxml » Lxml » Version: 3.0
    cpe:2.3:a:lxml:lxml:3.0
  • Lxml » Lxml » Version: 3.0.1
    cpe:2.3:a:lxml:lxml:3.0.1
  • Lxml » Lxml » Version: 3.0.2
    cpe:2.3:a:lxml:lxml:3.0.2
  • Lxml » Lxml » Version: 3.1
    cpe:2.3:a:lxml:lxml:3.1
  • Lxml » Lxml » Version: 3.1.0
    cpe:2.3:a:lxml:lxml:3.1.0
  • Lxml » Lxml » Version: 3.1.1
    cpe:2.3:a:lxml:lxml:3.1.1
  • Lxml » Lxml » Version: 3.1.2
    cpe:2.3:a:lxml:lxml:3.1.2
  • Lxml » Lxml » Version: 3.2.0
    cpe:2.3:a:lxml:lxml:3.2.0
  • Lxml » Lxml » Version: 3.2.1
    cpe:2.3:a:lxml:lxml:3.2.1
  • Lxml » Lxml » Version: 3.2.2
    cpe:2.3:a:lxml:lxml:3.2.2
  • Lxml » Lxml » Version: 3.2.3
    cpe:2.3:a:lxml:lxml:3.2.3
  • Lxml » Lxml » Version: 3.2.4
    cpe:2.3:a:lxml:lxml:3.2.4
  • Lxml » Lxml » Version: 3.2.5
    cpe:2.3:a:lxml:lxml:3.2.5
  • Lxml » Lxml » Version: 3.3.0
    cpe:2.3:a:lxml:lxml:3.3.0
  • Lxml » Lxml » Version: 3.3.1
    cpe:2.3:a:lxml:lxml:3.3.1
  • Lxml » Lxml » Version: 3.3.2
    cpe:2.3:a:lxml:lxml:3.3.2
  • Lxml » Lxml » Version: 3.3.3
    cpe:2.3:a:lxml:lxml:3.3.3
  • Lxml » Lxml » Version: 3.3.4
    cpe:2.3:a:lxml:lxml:3.3.4
  • Lxml » Lxml » Version: 3.3.5
    cpe:2.3:a:lxml:lxml:3.3.5
  • Lxml » Lxml » Version: 3.3.6
    cpe:2.3:a:lxml:lxml:3.3.6
  • Lxml » Lxml » Version: 3.4.0
    cpe:2.3:a:lxml:lxml:3.4.0
  • Lxml » Lxml » Version: 3.4.1
    cpe:2.3:a:lxml:lxml:3.4.1
  • Lxml » Lxml » Version: 3.4.2
    cpe:2.3:a:lxml:lxml:3.4.2
  • Lxml » Lxml » Version: 3.4.3
    cpe:2.3:a:lxml:lxml:3.4.3
  • Lxml » Lxml » Version: 3.4.4
    cpe:2.3:a:lxml:lxml:3.4.4
  • Lxml » Lxml » Version: 3.5.0
    cpe:2.3:a:lxml:lxml:3.5.0
  • Lxml » Lxml » Version: 3.6.0
    cpe:2.3:a:lxml:lxml:3.6.0
  • Lxml » Lxml » Version: 3.6.1
    cpe:2.3:a:lxml:lxml:3.6.1
  • Lxml » Lxml » Version: 3.6.2
    cpe:2.3:a:lxml:lxml:3.6.2
  • Lxml » Lxml » Version: 3.6.3
    cpe:2.3:a:lxml:lxml:3.6.3
  • Lxml » Lxml » Version: 3.6.4
    cpe:2.3:a:lxml:lxml:3.6.4
  • Lxml » Lxml » Version: 3.7.0
    cpe:2.3:a:lxml:lxml:3.7.0
  • Lxml » Lxml » Version: 3.7.1
    cpe:2.3:a:lxml:lxml:3.7.1
  • Lxml » Lxml » Version: 3.7.2
    cpe:2.3:a:lxml:lxml:3.7.2
  • Lxml » Lxml » Version: 3.8.0
    cpe:2.3:a:lxml:lxml:3.8.0
  • Lxml » Lxml » Version: 4.0.0
    cpe:2.3:a:lxml:lxml:4.0.0
  • Lxml » Lxml » Version: 4.1.0
    cpe:2.3:a:lxml:lxml:4.1.0
  • Lxml » Lxml » Version: 4.1.1
    cpe:2.3:a:lxml:lxml:4.1.1
  • Lxml » Lxml » Version: 4.2.0
    cpe:2.3:a:lxml:lxml:4.2.0
  • Lxml » Lxml » Version: 4.2.1
    cpe:2.3:a:lxml:lxml:4.2.1
  • Lxml » Lxml » Version: 4.2.2
    cpe:2.3:a:lxml:lxml:4.2.2
  • Lxml » Lxml » Version: 4.2.3
    cpe:2.3:a:lxml:lxml:4.2.3
  • Lxml » Lxml » Version: 4.2.4
    cpe:2.3:a:lxml:lxml:4.2.4
  • Lxml » Lxml » Version: 4.2.5
    cpe:2.3:a:lxml:lxml:4.2.5
  • Lxml » Lxml » Version: 4.2.6
    cpe:2.3:a:lxml:lxml:4.2.6
  • Lxml » Lxml » Version: 4.3.0
    cpe:2.3:a:lxml:lxml:4.3.0
  • Lxml » Lxml » Version: 4.6.2
    cpe:2.3:a:lxml:lxml:4.6.2
  • Netapp » Snapcenter » Version: N/A
    cpe:2.3:a:netapp:snapcenter:-
  • Oracle » Zfs Storage Appliance Kit » Version: 8.8
    cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8
  • Debian » Debian Linux » Version: 10.0
    cpe:2.3:o:debian:debian_linux:10.0
  • Debian » Debian Linux » Version: 9.0
    cpe:2.3:o:debian:debian_linux:9.0
  • Fedoraproject » Fedora » Version: 33
    cpe:2.3:o:fedoraproject:fedora:33
  • Fedoraproject » Fedora » Version: 34
    cpe:2.3:o:fedoraproject:fedora:34


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