PunBB 1.2.12 does not properly handle an avatar directory pathname ending in %00, which allows remote authenticated administrative users to upload arbitrary files and execute code, as demonstrated by a query to admin_options.php with an avatars_dir parameter ending in %00
Published Sep 13, 2006
3.6
LOWCVSS 2.0
EPSS 2.25%
Description
PunBB 1.2.12 does not properly handle an avatar directory pathname ending in %00, which allows remote authenticated administrative users to upload arbitrary files and execute code, as demonstrated by a query to admin_options.php with an avatars_dir parameter ending in %00. NOTE: this issue was originally disputed by the vendor, but the dispute was withdrawn on 20060926.
Affected products
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:H/Au:S/C:N/I:P/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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.25% (0.02254) | 82.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.25% (0.02248) | 80.54th | v5 (v2026.06.15) |
| Mar 17, 2025 | 3.00% (0.03005) | 85.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.84% (0.00841) | 82.80th | v3 (v2023.03.01) |
| May 3, 2024 | 0.84% (0.00841) | 81.99th | v3 (v2023.03.01) |
| Aug 25, 2023 | 0.84% (0.00841) | 79.97th | v3 (v2023.03.01) |
| Jul 18, 2023 | 0.83% (0.00831) | 79.76th | v3 (v2023.03.01) |
| Jun 10, 2023 | 0.86% (0.00860) | 79.98th | v3 (v2023.03.01) |
| May 3, 2023 | 1.39% (0.01388) | 84.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.31% (0.01307) | 83.79th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.74% (0.06739) | 91.60th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.74% (0.06739) | 90.79th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.74% (0.06739) | 78.91th | v2 (v2022.01.01) |
No CWE recorded.
References (8)
- http://forums.punbb.org/viewtopic.php?id=13255 x_refsource_CONFIRM
- http://www.attrition.org/pipermail/vim/2006-September/001041.html mailing-listx_refsource_VIM
- http://www.attrition.org/pipermail/vim/2006-September/001052.html mailing-listx_refsource_VIM
- http://www.attrition.org/pipermail/vim/2006-September/001055.html mailing-listx_refsource_VIM
- http://www.security.nnov.ru/Odocument221.html x_refsource_MISCExploit
- http://www.securityfocus.com/archive/1/445788/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/446420/100/0/threaded mailing-listx_refsource_BUGTRAQ
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28884 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://forums.punbb.org/viewtopic.php?id=13255 | x_refsource_CONFIRM | |
| http://www.attrition.org/pipermail/vim/2006-September/001041.html | mailing-listx_refsource_VIM | |
| http://www.attrition.org/pipermail/vim/2006-September/001052.html | mailing-listx_refsource_VIM | |
| http://www.attrition.org/pipermail/vim/2006-September/001055.html | mailing-listx_refsource_VIM | |
| http://www.security.nnov.ru/Odocument221.html | x_refsource_MISCExploit | |
| http://www.securityfocus.com/archive/1/445788/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/archive/1/446420/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/28884 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.