CVEvulnerability
CVE-2020-27783
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-12-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
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.
Affected configurations
• lxml lxml (>= 1.2 < 4.6.2)
• redhat software collections
• redhat enterprise linux 8.0
• debian debian linux 9.0
• debian debian linux 10.0
• fedoraproject fedora 32
• fedoraproject fedora 33
• netapp snapcenter
• oracle communications offline mediation controller 12.0.0.3.0
• oracle zfs storage appliance kit 8.8
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://advisory.checkmarx.net/advisory/CX-2020-4286 Exploit, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1901633 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00028.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKG67GPGTV23KADT4D4GK4RMHSO4CIQL/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMHVKRUT22LVWNL3TB7HPSDHJT74Q3JK/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20210521-0003/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4810 Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.html Patch, Third Party Advisory
- https://advisory.checkmarx.net/advisory/CX-2020-4286 Exploit, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1901633 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00028.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKG67GPGTV23KADT4D4GK4RMHSO4CIQL/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMHVKRUT22LVWNL3TB7HPSDHJT74Q3JK/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20210521-0003/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4810 Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.html Patch, Third Party Advisory