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TI-2022-16480 Aliases CVE-2022-36057

Discourse-Chat Cross-Site Scripting issue for channel names and descriptions

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Discourse-Chat is an asynchronous messaging plugin for the Discourse open-source discussion platform. Users of Discourse Chat can be affected by admin users inserting HTML into chat titles and descriptions, causing a Cross-Site Scripting (XSS) attack. Version 0.9 contains a patch for this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.005 43rd percentileScored 2026-11-07
Fix Fixed discourse-chat (discourse): 0.9

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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-chatbefore 0.90.9Patch availableCNA
  • discourse-chat Vendordiscourse Affected before 0.9 Fixed in 0.9 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:discourse:discourse-chat:*:*:*:*:*:discourse:*:*before 0.9Vulnerablediscourse
  • cpe:2.3:a:discourse:discourse-chat:*:*:*:*:*:discourse:*:* Versions before 0.9 Vulnerable ·discourse

Remediation

  • Fix · CNA discourse-chat (discourse) Fixed in 0.9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-36057

References

Patch 1

Advisory 1

  • TI-2022-13139 Exposure of Sensitive Information in discourse-chat CVSS 3.1MEDIUM 6.5
  • TI-2022-18655 Discourse-chat plugin susceptible to XSS in channel name and description CVSS 3.1MEDIUM 5.4

Sources

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