CVE-2021-28957 - CERT CVE
ID CVE-2021-28957
Sažetak 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.
Reference
CVSS
Base: 4.3
Impact: 2.9
Exploitability:8.6
Pristup
VektorSloženostAutentikacija
NETWORK MEDIUM NONE
Impact
PovjerljivostCjelovitostDostupnost
NONE PARTIAL NONE
CVSS vektor AV:N/AC:M/Au:N/C:N/I:P/A:N
Zadnje važnije ažuriranje 07-11-2023 - 03:32
Objavljeno 21-03-2021 - 05:15