CVE-2023-47119

MEDIUM

Discourse < 3.1.3 - Injection

Title source: rule
STIX 2.1

Description

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches, some links can inject arbitrary HTML tags when rendered through our Onebox engine. The issue is patched in version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.

Exploits (1)

nomisec WRITEUP 2 stars
by BaadMaro · poc
https://github.com/BaadMaro/CVE-2023-47119

References (3)

Core 3

Scores

CVSS v3 5.3
EPSS 0.1344
EPSS Percentile 94.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-74 CWE-79
Status published
Products (3)
discourse/discourse 3.2.0 beta1 (2 CPE variants)
discourse/discourse < 3.1.3
discourse/discourse < 3.2.0
Published Nov 10, 2023
Tracked Since Feb 18, 2026