What’s Vulnerable › Vulnerabilities

CVE-2023-49098: Reaction data for user notifications exposed in Discourse-reactions

• Severity: low (CVSS 3.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-12 · updated 2026-06-17
• Weakness: CWE-284

Description

Discourse-reactions is a plugin that allows user to add their reactions to the post. Data about a user's reaction notifications could be exposed. This vulnerability was patched in commit 2c26939.

Affected products

• discourse-reactions: through 0.4

References

• https://github.com/discourse/discourse-reactions/commit/2c26939395177730e492640d71aac68423be84fc
• https://github.com/discourse/discourse-reactions/security/advisories/GHSA-mq82-7v5x-rhv8
• https://github.com/discourse/discourse-reactions/commit/2c26939395177730e492640d71aac68423be84fc
• https://github.com/discourse/discourse-reactions/security/advisories/GHSA-mq82-7v5x-rhv8

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