CVE-2023-26040CWE-79

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

Medium · published March 17, 2023

CVSS v3.1
6.5
EPSS
0%
Percentile
27.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00350 · 27.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2023-03-17T14:45Z
EPSS history
Timeline
  • 17 MAR 14:45Z
    Discourse chat messages susceptible to Cross-site Scripting through chat excerpts
    cvelistv5