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TI-2022-18730 Aliases CVE-2022-39355

Discourse Patreon vulnerable to improper validation of email during Patreon authentication

Priority MEDIUM 51CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

Discourse Patreon enables syncronization between Discourse Groups and Patreon rewards. On sites with Patreon login enabled, an improper authentication vulnerability could be used to take control of a victim's forum account. This vulnerability is patched in commit number 846d012151514b35ce42a1636c7d70f6dcee879e of the discourse-patreon plugin. Out of an abundance of caution, any Discourse accounts which have logged in with an unverified-email Patreon account will be logged out and asked to verify their email address on their next login. As a workaround, disable the patreon integration and log out all users with associated Patreon accounts.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00978 62nd percentileScored 2026-11-07
Fix Fixed discourse-patreon (discourse): 846d012151514b35ce42a1636c7d70f6dcee879e

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
discoursediscourse-patreonbefore 846d012151514b35ce42a1636c7d70f6dcee879e846d012151514b35ce42a1636c7d70f6dcee879ePatch availableCNA
  • discourse-patreon Vendordiscourse Affected before 846d012151514b35ce42a1636c7d70f6dcee879e Fixed in 846d012151514b35ce42a1636c7d70f6dcee879e Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:discourse:patreon:*:*:*:*:*:*:*:*before 2022-10-26Vulnerablediscourse
  • cpe:2.3:a:discourse:patreon:*:*:*:*:*:*:*:* Versions before 2022-10-26 Vulnerable ·discourse

Remediation

  • Fix · CNA discourse-patreon (discourse) Fixed in 846d012151514b35ce42a1636c7d70f6dcee879e

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-39355

References

Patch 1

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences