CVE-2017-20290: Discourse 1.9.0.beta2 to before 1.9.0.beta13

Affected technology

Discourse · 1.9.0.beta2 to before 1.9.0.beta13
Discourse

Description’s affected range: before 1.9.0.beta13

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Active user interaction

What an attacker can do

Unauthenticated attackers can inject scripts through the email parameter of /email/unsubscribed. Vendor/CNA’s CVSS 4.0 assessment (base score 5.1/10) rates confidentiality, integrity and availability impact as none.