CVE-2006-4759
PunBB 1.2.12 does not properly handle an avatar directory pathname ending in %00, which allows remote authenticated administrative users…
- 3.6LowCVSS base score
- 2.3%Exploitation in 30 daysEPSS · top 16% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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 NOTE: this issue was originally disputed by the vendor, but the dispute was withdrawn on 20060926.
Timeline
ID reserved
By mitre
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low3.6 | AV:N/AC:H/Au:S/C:N/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.3% · top 16% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.6.
Affected products
n/a
- affected n/a
References
8
- http://forums.punbb.org/viewtopic.php?id=13255 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20060919 Dispute - CVE-2006-4759 - PunBB (opens in a new tab)mailing-listx_refsource_VIMx_transferred
- 20060911 ShAnKaR: multiple PHP application poison NULL byte vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20060926 PunBB - more (opens in a new tab)mailing-listx_refsource_VIMx_transferred
- 20060919 Re: ShAnKaR: multiple PHP application poison NULL byte vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20060925 PunBB - more (opens in a new tab)mailing-listx_refsource_VIMx_transferred
- phpbb-nullbyte-file-upload(28884) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.security.nnov.ru/Odocument221.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-4746 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-4759)Record last updated .