Cross-Site Scripting Vulnerability in Discourse Open-Source Discussion Platform
CVE-2026-32607

2.1LOW

Key Information:

Vendor

Discourse

Status
Vendor
CVE Published:
31 March 2026

What is CVE-2026-32607?

Discourse, a popular open-source discussion platform, contains a vulnerability that affects specific versions where the hidden emphasize_full_name_in_ux setting is enabled. This flaw allows individuals with assign permission to execute arbitrary HTML and JavaScript within user and group display names in various UI paths related to assignments. As a result, any user visiting the affected topic may experience execution of malicious scripts in their browser, posing a significant security risk. This issue has been addressed in the patched versions, ensuring enhanced protection for users.

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Affected Version(s)

discourse >= 2026.1.0-latest, < 2026.1.3 < 2026.1.0-latest, 2026.1.3

discourse >= 2026.2.0-latest, < 2026.2.2 < 2026.2.0-latest, 2026.2.2

discourse >= 2026.3.0-latest, < 2026.3.0 < 2026.3.0-latest, 2026.3.0

References

CVSS V4

Score:
2.1
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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