CVE-2023-26040

Discourse chat messages susceptible to Cross-site Scripting through chat excerpts

State
Published
Severity
6.5 Medium
Published
Mar 17, 2023
Updated
Feb 25, 2025
Reserved
Feb 17, 2023

Read the record on cve.org

Description

Discourse is an open-source discussion platform. Between versions 3.1.0.beta2 and 3.1.0.beta3 of the `tests-passed` branch, editing or responding to a chat message containing malicious content could lead to a cross-site scripting attack. This issue is patched in version 3.1.0.beta3 of the `tests-passed` branch. There are no known workarounds.

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:LGitHub_M

Weaknesses

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

ProductVersions
discoursediscourse
  • tests-passed > 3.1.0.beta2, < 3.1.0.beta3Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.