MEDIUM
Cross-site scripting (XSS) vulnerability in MyBB before 1.6.5 allows remote attackers to inject arbitrary web script or HTML via vectors related to "usernames via AJAX."
Published Aug 30, 2012
4.3
MEDIUMCVSS 2.0
EPSS 1.16%
Description
Cross-site scripting (XSS) vulnerability in MyBB before 1.6.5 allows remote attackers to inject arbitrary web script or HTML via vectors related to "usernames via AJAX."
Affected products
No data.
OR
- ≤ 1.6.4
- 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
- 1.2
- 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
- 1.2.14
- 1.3
- 1.4.0
- 1.4.1
- 1.4.2
- 1.4.3
- 1.4.4
- 1.4.5
- 1.4.6
- 1.4.7
- 1.4.8
- 1.4.9
- 1.4.10
- 1.4.11
- 1.4.12
- 1.4.13
- 1.4.14
- 1.4.15
- 1.4.16
- 1.5.1
- 1.5.2
- 1.6.0
- 1.6.1
- 1.6.2
- 1.6.3
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.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.16% 0.01161
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01161
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.16% (0.01161) | 66.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.16% (0.01161) | 62.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.36% (0.00357) | 55.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.25% (0.00254) | 65.79th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.25% (0.00254) | 64.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.25% (0.00254) | 61.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (5)
- http://blog.mybb.com/2011/11/25/mybb-1-6-5-released-feature-update-security-maintenance-release/ x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/46951 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.osvdb.org/77326 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/50816 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71461 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://blog.mybb.com/2011/11/25/mybb-1-6-5-released-feature-update-security-maintenance-release/ | x_refsource_CONFIRMVendor Advisory | |
| http://secunia.com/advisories/46951 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.osvdb.org/77326 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/50816 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/71461 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 30, 2012
Updated Aug 7, 2024
Reserved Aug 30, 2012
Link CVE-2011-5132
CISA Vulnrichment
Updated n/a