CVE-2020-26891 - CERT CVE
ID CVE-2020-26891
Sažetak AuthRestServlet in Matrix Synapse before 1.21.0 is vulnerable to XSS due to unsafe interpolation of the session GET parameter. This allows a remote attacker to execute an XSS attack on the domain Synapse is hosted on, by supplying the victim user with a malicious URL to the /_matrix/client/r0/auth/*/fallback/web or /_matrix/client/unstable/auth/*/fallback/web Synapse endpoints.
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 26-10-2020 - 21:30
Objavljeno 19-10-2020 - 17:15