CVE-2021-43818 | Date: (C)2021-12-14 (M)2024-04-26 |
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.
CVSS Score and Metrics +CVSS Score and Metrics -CVSS V3 Severity: | CVSS V2 Severity: |
CVSS Score : 7.1 | CVSS Score : 6.8 |
Exploit Score: 2.8 | Exploit Score: 8.6 |
Impact Score: 3.7 | Impact Score: 6.4 |
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CVSS V3 Metrics: | CVSS V2 Metrics: |
Attack Vector: NETWORK | Access Vector: NETWORK |
Attack Complexity: LOW | Access Complexity: MEDIUM |
Privileges Required: NONE | Authentication: NONE |
User Interaction: REQUIRED | Confidentiality: PARTIAL |
Scope: CHANGED | Integrity: PARTIAL |
Confidentiality: LOW | Availability: PARTIAL |
Integrity: LOW | |
Availability: LOW | |
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