SB2019070512 - Cross-site request forgery in Flarum

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site request forgery (CVE-ID: CVE-2019-13183)

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform actions on behalf of a victim user.

The vulnerability exists due to improper request verification in CSRF protection in flarum/core when handling crafted cross-site requests from a victim's browser. A remote attacker can trick a logged-in user into visiting a malicious site to perform actions on behalf of a victim user.

An attacker who targets a user with admin privileges may manipulate administrative settings.

Remediation

Install update from vendor's website.

References

• https://github.com/flarum/framework/security/advisories/GHSA-3wjh-93gr-chh6
• https://github.com/advisories/GHSA-3wjh-93gr-chh6