What’s Vulnerable › Vulnerabilities

CVE-2019-1020018

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-29 · updated 2026-06-17
• Weakness: CWE-287

Description

Discourse before 2.3.0 and 2.4.x before 2.4.0.beta3 lacks a confirmation screen when logging in via an email link.

Affected products

• discourse: before 2.3.0; 2.4.0-beta1, 2.4.0-beta2 — fixed in 2.3.0

How to fix

Upgrade to a fixed version: discourse 2.3.0. Check the vendor advisory for mitigations.

References

• https://github.com/discourse/discourse/commit/52387be4a44cdeaca5421ee955ba1343e836bade
• https://github.com/discourse/discourse/commit/b8340c6c8e50a71ff1bca9654b9126ca5a84ce9a
• https://github.com/discourse/discourse/commit/52387be4a44cdeaca5421ee955ba1343e836bade
• https://github.com/discourse/discourse/commit/b8340c6c8e50a71ff1bca9654b9126ca5a84ce9a

Get alerted when CVE-2019-1020018 or the next vulnerability affects your stack