CVE-2023-47119
HTML injection in oneboxed links
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
HTML injection in oneboxed links
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.
- Record
CVE-2023-47119- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-74
- Updated
- 2026-11-02
EUVDEUVD-2023-51262
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.
- Record
EUVD-2023-51262- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-03
NVD
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.
- Record
CVE-2023-47119- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-74, CWE-79
- Updated
- 2026-11-02
OSV
HTML injection in oneboxed links
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.
- Record
CVE-2023-47119- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-74
- Updated
- 2026-11-02
OSVBIT-discourse-2023-47119 No score
HTML injection in oneboxed links
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.
- Record
BIT-discourse-2023-47119- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
discourseBitnami |
before 3.2.0 | 3.2.0 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | BaadMaro/CVE-2023-47119 | 2023-11-12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-47119 is a medium vulnerability (CVSS 5.3) in Discourse, published November 10, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 61st percentile. Fixed in discourse 3.2.0.
References
github.com/discourse/discourse/security/advisories/GHSA-j95w-5hvx-jp5w
nvd.nist.gov/vuln/detail/CVE-2023-47119