HTML Injection

matrix-synapse is vulnerable to HTML injection. Lack of output sanitization of the notification emails that are sent for notifications for missed messages or for an expiring account allows an attacker to inject and execute arbitrary HTML code in a user's browser...

CVE-2021-21332

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

CVE-2021-21333

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject...

CVE-2021-21333

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject...

Cross site scripting

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

UBUNTU-CVE-2021-21332

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

PYSEC-2021-134

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject...

PYSEC-2021-133

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

CVE-2021-21332

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

CVE-2021-21333

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject...

CVE-2021-21332

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

Design/Logic Flaw

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject...

UBUNTU-CVE-2021-21333

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject...

CVE-2021-21333

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject...

CVE-2021-21333 HTML injection in email and account expiry notifications

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject...

CVE-2021-21333

CVE-2021-21333 affects Synapse (matrix-synapse) before version 1.27.0. The notification emails for missed messages and for expiring accounts are subject to HTML injection, enabling an attacker to forge email content in the missed-messages notification. The account-expiry feature is not enabled by...

CVE-2021-21332

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

CVE-2021-21332 Cross-site scripting (XSS) vulnerability in the password reset endpoint

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

CVE-2021-21332

CVE-2021-21332 describes an XSS vulnerability in the password reset endpoint of Synapse (Matrix reference homeserver, Python). Prior to version 1.27.0, an attacker could execute script via the password_reset flow, potentially access cookies and browser data, and leverage CSRF risks on the same do...

Matrix Synapse 跨站脚本漏洞

Matrix Synapse is a Matrix Management Server implementation from the Matrix Foundation in the UK. A cross-site scripting vulnerability was previously present in Matrix Synapse version 1.27.0, which allowed an attacker to exploit the vulnerability to insert forged content into an email message...