CVE-2022-39355CWE-287

Discourse Patreon vulnerable to improper validation of email during Patreon authentication

Critical · published October 26, 2022

CVSS v3.1
9.1
EPSS
1%
Percentile
57.7
In the wild
Unconfirmed
What it is

🔥 An improper authentication flaw could let attackers seize control of any Discourse forum account linked to an unverified-email Patreon — like a sneaky guest crashing a private party! Imagine a club where the bouncer lets anyone in just because they can show a membership card from the wrong source. That’s what’s happening here—if your Patreon login isn’t verified, it’s like having an all-access pass without proper ID! This vulnerability could allow attackers to impersonate users, accessing private forum discussions, modifying settings, or even disrupting community activities. That means sensitive information could be exposed, and community trust could take a huge hit!

Put simply

Imagine a club where the bouncer lets anyone in just because they can show a membership card from the wrong source. That’s what’s happening here—if your Patreon login isn’t verified, it’s like having an all-access pass without proper ID! The vulnerability in the Discourse Patreon plugin allows an attacker to exploit improper authentication mechanisms, enabling them to take over accounts associated with unverified Patreon emails.

What to do

This vulnerability could allow attackers to impersonate users, accessing private forum discussions, modifying settings, or even disrupting community activities. That means sensitive information could be exposed, and community trust could take a huge hit! To protect your community, patch the Discourse Patreon plugin with commit number 846d012151514b35ce42a1636c7d70f6dcee879e immediately. Until then, disable the Patreon integration and log out all users with affected accounts to prevent unauthorized access. You’ve got this! With a little action, you’ll keep your forum safe and secure! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00848 · 57.7th percentile
Weakness
CWE-287 · Improper Authentication
Published
2022-10-26T00:00Z
EPSS history
Timeline
  • 26 OCT 00:00Z
    Discourse Patreon vulnerable to improper validation of email during Patreon authentication
    cvelistv5