[ASA-202011-4] matrix-synapse: cross-site scripting

Arch Linux Security Advisory ASA-202011-4 ========================================= Severity: High Date : 2020-11-03 CVE-ID : CVE-2020-26891 Package : matrix-synapse Type : cross-site scripting Remote : Yes Link : https://security.archlinux.org/AVG-1252 Summary ======= The package matrix-synapse...

CVE-2020-26891

creationtimestamp| type| source ---|---|--- 2020-10-19 20:46:19+00:00| seen| https://t.me/cibsecurity/15380...

CVE-2020-26891

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...

CVE-2020-26891

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...

CVE-2020-26891

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...