MyBB (aka MyBulletinBoard) before 1.4.12 does not properly restrict uid values for group join requests, which allows remote attackers to cause a denial of service (resource consumption) by using guest access to submit join request forms for moderated groups, related to usercp.php and managegroup.php
Published Dec 30, 2010
5.0
MEDIUMCVSS 2.0
EPSS 1.71%
Description
MyBB (aka MyBulletinBoard) before 1.4.12 does not properly restrict uid values for group join requests, which allows remote attackers to cause a denial of service (resource consumption) by using guest access to submit join request forms for moderated groups, related to usercp.php and managegroup.php.
Affected products
No data.
- ≤ 1.4.11
- 1.00
- 1.01
- 1.1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 1.1.6
- 1.1.7
- 1.1.8
- 1.02
- 1.2
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
- 1.2.8
- 1.2.9
- 1.2.10
- 1.2.11
- 1.2.12
- 1.2.13
- 1.03
- 1.04
- 1.4.0
- 1.4.2
- 1.4.3
- 1.4.6
- 1.4.8
- 1.4.9
- 1.4.10
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.71% (0.01707) | 76.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.71% (0.01707) | 74.24th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.19% (0.01190) | 77.40th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.58% (0.02576) | 90.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.58% (0.02576) | 88.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (7)
- http://blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-update/ x_refsource_CONFIRMPatchVendor Advisory
- http://dev.mybboard.net/issues/722 x_refsource_CONFIRM
- http://dev.mybboard.net/projects/mybb/repository/revisions/4856 x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2010/10/08/7 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2010/10/11/8 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2010/12/06/2 mailing-listx_refsource_MLIST
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64513 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-update/ | x_refsource_CONFIRMPatchVendor Advisory | |
| http://dev.mybboard.net/issues/722 | x_refsource_CONFIRM | |
| http://dev.mybboard.net/projects/mybb/repository/revisions/4856 | x_refsource_CONFIRM | |
| http://openwall.com/lists/oss-security/2010/10/08/7 | mailing-listx_refsource_MLIST | |
| http://openwall.com/lists/oss-security/2010/10/11/8 | mailing-listx_refsource_MLIST | |
| http://openwall.com/lists/oss-security/2010/12/06/2 | mailing-listx_refsource_MLIST | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/64513 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.