CVE-2022-24782
Secure category names leaked via user activity export in Discourse
Discourse is an open source discussion platform. Versions 2.8.2 and prior in the stable branch, 2.9.0.beta3 and prior in the beta branch, and 2.9.0.beta3 and prior in the tests-passed branch are vulnerable to a data leak. Users can request an export of their own activity. Sometimes, due to category settings, they may have category membership for a secure category. The name of this secure category is shown to the user in the export. The same thing occurs when the user's post has been moved to a secure category. A patch for this issue is available in the main branch of Discourse's GitHub repository and is anticipated to be part of future releases.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Secure category names leaked via user activity export in Discourse
Discourse is an open source discussion platform. Versions 2.8.2 and prior in the stable branch, 2.9.0.beta3 and prior in the beta branch, and 2.9.0.beta3 and prior in the tests-passed branch are vulnerable to a data leak. Users can request an export of their own activity. Sometimes, due to category settings, they may have category membership for a secure category. The name of this secure category is shown to the user in the export. The same thing occurs when the user's post has been moved to a secure category. A patch for this issue is available in the main branch of Discourse's GitHub repository and is anticipated to be part of future releases.
- Record
CVE-2022-24782- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2022-29598
Discourse is an open source discussion platform. Versions 2.8.2 and prior in the stable branch, 2.9.0.beta3 and prior in the beta branch, and 2.9.0.beta3 and prior in the tests-passed branch are vulnerable to a data leak. Users can request an export of their own activity. Sometimes, due to category settings, they may have category membership for a secure category. The name of this secure category is shown to the user in the export. The same thing occurs when the user's post has been moved to a secure category. A patch for this issue is available in the main branch of Discourse's GitHub repository and is anticipated to be part of future releases.
- Record
EUVD-2022-29598- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
NVD
Discourse is an open source discussion platform. Versions 2.8.2 and prior in the stable branch, 2.9.0.beta3 and prior in the beta branch, and 2.9.0.beta3 and prior in the tests-passed branch are vulnerable to a data leak. Users can request an export of their own activity. Sometimes, due to category settings, they may have category membership for a secure category. The name of this secure category is shown to the user in the export. The same thing occurs when the user's post has been moved to a secure category. A patch for this issue is available in the main branch of Discourse's GitHub repository and is anticipated to be part of future releases.
- Record
CVE-2022-24782- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
Secure category names leaked via user activity export in Discourse
Discourse is an open source discussion platform. Versions 2.8.2 and prior in the stable branch, 2.9.0.beta3 and prior in the beta branch, and 2.9.0.beta3 and prior in the tests-passed branch are vulnerable to a data leak. Users can request an export of their own activity. Sometimes, due to category settings, they may have category membership for a secure category. The name of this secure category is shown to the user in the export. The same thing occurs when the user's post has been moved to a secure category. A patch for this issue is available in the main branch of Discourse's GitHub repository and is anticipated to be part of future releases.
- Record
CVE-2022-24782- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVBIT-discourse-2022-24782 No score
Secure category names leaked via user activity export in Discourse
Discourse is an open source discussion platform. Versions 2.8.2 and prior in the stable branch, 2.9.0.beta3 and prior in the beta branch, and 2.9.0.beta3 and prior in the tests-passed branch are vulnerable to a data leak. Users can request an export of their own activity. Sometimes, due to category settings, they may have category membership for a secure category. The name of this secure category is shown to the user in the export. The same thing occurs when the user's post has been moved to a secure category. A patch for this issue is available in the main branch of Discourse's GitHub repository and is anticipated to be part of future releases.
- Record
BIT-discourse-2022-24782- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
discourseBitnami |
before 2.8.3 | 2.8.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-24782 is a medium vulnerability (CVSS 4.3) in Discourse, published March 24, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 61st percentile. Fixed in discourse 2.8.3.
References
github.com/discourse/discourse/security/advisories/GHSA-c3cq-w899-f343
nvd.nist.gov/vuln/detail/CVE-2022-24782