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CVE-2006-4450

MediumPublished

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...

Published: Aug 30, 2006
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: May 12, 2006

Primary CVSS

5.1/ 10Medium

nvd · CVSS 2.0

AV:N/AC:H/Au:N/C:P/I:P/A:P

EPSS probability estimate

4.1%

Low · next 30 days

Percentile: 90.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

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.

Sources

phpBB 2.0.20 - Unauthorized HTTP ProxyExploit
rgod · php · May 12, 2006

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