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TI-2024-20596 Aliases CVE-2024-31219

Discourse-reactions' reaction data and public topic whisper content exposed on reactions given user activity page

Priority LOW 20CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

Discourse-reactions is a plugin that allows user to add their reactions to the post. When whispers are enabled on a site via `whispers_allowed_groups` and reactions are made on whispers on public topics, the contents of the whisper and the reaction data are shown on the `/u/:username/activity/reactions` endpoint.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00397 34th percentileScored 2026-11-07
Fix Fixed discourse-reactions (discourse): 0.5

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-reactionsbefore 0.50.5Patch availableCNA
  • discourse-reactions Vendordiscourse Affected before 0.5 Fixed in 0.5 Patch available CNA

Remediation

  • Fix · CNA discourse-reactions (discourse) Fixed in 0.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-31219

References

Other 2

  • TI-2022-22806 Discourse BBCode plugin vulnerable to arbitrary CSS injection CVSS 3.1CRITICAL 9.8
  • TI-2021-19656 Denial of Service in discourse CVSS 3.1MEDIUM 6.8
  • TI-2024-36150 Potential Backup file leaked via Nginx in Discourse CVSS 3.1HIGH 7.5
  • TI-2021-18002 RCE via malicious SNS subscription payload CVSS 3.1CRITICAL 10.0
  • TI-2026-24651 Discourse: Open redirect via `sso_destination_url` cookie in `enter` CVSS 4.0MEDIUM 5.1
  • TI-2022-18730 Discourse Patreon vulnerable to improper validation of email during Patreon authentication CVSS 3.1CRITICAL 9.8
See all 328 →

Sources

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