CVE-2006-4450 json
usercp_avatar.php in PHPBB 2.0.20, when avatar uploading is enabled, allows remote attackers to use the server as a web proxy by submitting…
published 2006-08-30 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4438
- cvss
- 5.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.2%
- EPSS 4.2% chance of exploitation in 30 days, percentile 91%
- public exploits
- 1
- Exploit-DB
Summary
usercp_avatar.php in PHPBB 2.0.20, when avatar uploading is enabled, allows remote attackers to use the server as a web proxy by submitting a URL to the avatarurl parameter, which is then used in an HTTP GET request.
Patch / fix
- secunia.com/advisories/20093 advisory
Timeline
- First public exploit (EDB-27863)
- Published
Exploit prediction
4.20% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-27863 phpBB 2.0.20 - Unauthorized HTTP Proxy webapps, 2006-05-12
- securityfocus.com http://www.securityfocus.com/bid/17965 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
References
-
secunia.com
/advisories/20093
third-party-advisory, patch, vendor-advisory
-
securityfocus.com
/bid/17965
vdb-entry, exploit
-
securityreason.com
/securityalert/1470
third-party-advisory
-
archives.neohapsis.com
/archives/bugtraq/2006-05/0238.html
mailing-list
-
exchange.xforce.ibmcloud.com
/vulnerabilities/26537
vdb-entry
Sources
- CVE List CVE-2006-4450
- NVD CVE-2006-4450
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.